Home / 145,467,624.70-218,201,437.05-90,941,778.10

Finding the Fourth Proportional to 145,467,624.70, 218,201,437.05 and 90,941,778.10

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Solution

The fourth proportional to 145,467,624.70, 218,201,437.05 and 90,941,778.10 is: 136,412,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,467,624.70 : 218,201,437.05 = 90,941,778.10 : x
  2. Step 2: Convert to fraction form
    145,467,624.70/218,201,437.05 = 90,941,778.10/x
  3. Step 3: Cross multiply
    145,467,624.70x = 218,201,437.05 × 90,941,778.10
  4. Step 4: Simplify right side
    145,467,624.70x = 19,843,626,669,302,220
  5. Step 5: Solve for x
    x = 19,843,626,669,302,220/145,467,624.70
  6. Step 6: Final answer
    x = 136,412,667.15

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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.