Home / 308,853,444.71-463,279,795.22-78,822,553.97

Finding the Fourth Proportional to 308,853,444.71, 463,279,795.22 and 78,822,553.97

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Solution

The fourth proportional to 308,853,444.71, 463,279,795.22 and 78,822,553.97 is: 118,233,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,444.71 : 463,279,795.22 = 78,822,553.97 : x
  2. Step 2: Convert to fraction form
    308,853,444.71/463,279,795.22 = 78,822,553.97/x
  3. Step 3: Cross multiply
    308,853,444.71x = 463,279,795.22 × 78,822,553.97
  4. Step 4: Simplify right side
    308,853,444.71x = 36,516,896,659,228,488
  5. Step 5: Solve for x
    x = 36,516,896,659,228,488/308,853,444.71
  6. Step 6: Final answer
    x = 118,233,736.05

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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.