Home / 308,853,447.71-463,279,799.70-78,822,556.97

Finding the Fourth Proportional to 308,853,447.71, 463,279,799.70 and 78,822,556.97

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Solution

The fourth proportional to 308,853,447.71, 463,279,799.70 and 78,822,556.97 is: 118,233,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,447.71 : 463,279,799.70 = 78,822,556.97 : x
  2. Step 2: Convert to fraction form
    308,853,447.71/463,279,799.70 = 78,822,556.97/x
  3. Step 3: Cross multiply
    308,853,447.71x = 463,279,799.70 × 78,822,556.97
  4. Step 4: Simplify right side
    308,853,447.71x = 36,516,898,402,587,040
  5. Step 5: Solve for x
    x = 36,516,898,402,587,040/308,853,447.71
  6. Step 6: Final answer
    x = 118,233,740.55

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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.