Home / 408,945,355.70-613,402,287.15-136,316,122.70

Finding the Fourth Proportional to 408,945,355.70, 613,402,287.15 and 136,316,122.70

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Solution

The fourth proportional to 408,945,355.70, 613,402,287.15 and 136,316,122.70 is: 204,468,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,945,355.70 : 613,402,287.15 = 136,316,122.70 : x
  2. Step 2: Convert to fraction form
    408,945,355.70/613,402,287.15 = 136,316,122.70/x
  3. Step 3: Cross multiply
    408,945,355.70x = 613,402,287.15 × 136,316,122.70
  4. Step 4: Simplify right side
    408,945,355.70x = 83,616,621,439,600,016
  5. Step 5: Solve for x
    x = 83,616,621,439,600,016/408,945,355.70
  6. Step 6: Final answer
    x = 204,468,935.21

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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.