Home / 308,853,440.55-463,279,789.04-78,822,549.81

Finding the Fourth Proportional to 308,853,440.55, 463,279,789.04 and 78,822,549.81

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Solution

The fourth proportional to 308,853,440.55, 463,279,789.04 and 78,822,549.81 is: 118,233,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,440.55 : 463,279,789.04 = 78,822,549.81 : x
  2. Step 2: Convert to fraction form
    308,853,440.55/463,279,789.04 = 78,822,549.81/x
  3. Step 3: Cross multiply
    308,853,440.55x = 463,279,789.04 × 78,822,549.81
  4. Step 4: Simplify right side
    308,853,440.55x = 36,516,894,247,177,584
  5. Step 5: Solve for x
    x = 36,516,894,247,177,584/308,853,440.55
  6. Step 6: Final answer
    x = 118,233,729.83

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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.