Home / 308,853,470.96-463,279,834.68-78,822,580.20

Finding the Fourth Proportional to 308,853,470.96, 463,279,834.68 and 78,822,580.20

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Solution

The fourth proportional to 308,853,470.96, 463,279,834.68 and 78,822,580.20 is: 118,233,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,470.96 : 463,279,834.68 = 78,822,580.20 : x
  2. Step 2: Convert to fraction form
    308,853,470.96/463,279,834.68 = 78,822,580.20/x
  3. Step 3: Cross multiply
    308,853,470.96x = 463,279,834.68 × 78,822,580.20
  4. Step 4: Simplify right side
    308,853,470.96x = 36,516,911,924,107,040
  5. Step 5: Solve for x
    x = 36,516,911,924,107,040/308,853,470.96
  6. Step 6: Final answer
    x = 118,233,775.42

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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.