Home / 145,587,775,909.70-218,381,663,864.55-71,019,376,012.10

Finding the Fourth Proportional to 145,587,775,909.70, 218,381,663,864.55 and 71,019,376,012.10

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Solution

The fourth proportional to 145,587,775,909.70, 218,381,663,864.55 and 71,019,376,012.10 is: 106,529,064,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587,775,909.70 : 218,381,663,864.55 = 71,019,376,012.10 : x
  2. Step 2: Convert to fraction form
    145,587,775,909.70/218,381,663,864.55 = 71,019,376,012.10/x
  3. Step 3: Cross multiply
    145,587,775,909.70x = 218,381,663,864.55 × 71,019,376,012.10
  4. Step 4: Simplify right side
    145,587,775,909.70x = 15,509,329,500,144,507,289,600
  5. Step 5: Solve for x
    x = 15,509,329,500,144,507,289,600/145,587,775,909.70
  6. Step 6: Final answer
    x = 106,529,064,018.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.