Home / 290,614,914.40-435,675,472.92-135,258,939.04

Finding the Fourth Proportional to 290,614,914.40, 435,675,472.92 and 135,258,939.04

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Solution

The fourth proportional to 290,614,914.40, 435,675,472.92 and 135,258,939.04 is: 202,773,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,614,914.40 : 435,675,472.92 = 135,258,939.04 : x
  2. Step 2: Convert to fraction form
    290,614,914.40/435,675,472.92 = 135,258,939.04/x
  3. Step 3: Cross multiply
    290,614,914.40x = 435,675,472.92 × 135,258,939.04
  4. Step 4: Simplify right side
    290,614,914.40x = 58,929,002,232,909,448
  5. Step 5: Solve for x
    x = 58,929,002,232,909,448/290,614,914.40
  6. Step 6: Final answer
    x = 202,773,496.17

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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.