Home / 145,587,775,907.20-218,381,663,860.80-71,019,376,009.60

Finding the Fourth Proportional to 145,587,775,907.20, 218,381,663,860.80 and 71,019,376,009.60

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Solution

The fourth proportional to 145,587,775,907.20, 218,381,663,860.80 and 71,019,376,009.60 is: 106,529,064,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587,775,907.20 : 218,381,663,860.80 = 71,019,376,009.60 : x
  2. Step 2: Convert to fraction form
    145,587,775,907.20/218,381,663,860.80 = 71,019,376,009.60/x
  3. Step 3: Cross multiply
    145,587,775,907.20x = 218,381,663,860.80 × 71,019,376,009.60
  4. Step 4: Simplify right side
    145,587,775,907.20x = 15,509,329,499,332,232,085,504
  5. Step 5: Solve for x
    x = 15,509,329,499,332,232,085,504/145,587,775,907.20
  6. Step 6: Final answer
    x = 106,529,064,014.40

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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.