Home / 79,181,723.70-118,772,585.55-77,906,265.30

Finding the Fourth Proportional to 79,181,723.70, 118,772,585.55 and 77,906,265.30

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Solution

The fourth proportional to 79,181,723.70, 118,772,585.55 and 77,906,265.30 is: 116,859,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,181,723.70 : 118,772,585.55 = 77,906,265.30 : x
  2. Step 2: Convert to fraction form
    79,181,723.70/118,772,585.55 = 77,906,265.30/x
  3. Step 3: Cross multiply
    79,181,723.70x = 118,772,585.55 × 77,906,265.30
  4. Step 4: Simplify right side
    79,181,723.70x = 9,253,128,560,225,246
  5. Step 5: Solve for x
    x = 9,253,128,560,225,246/79,181,723.70
  6. Step 6: Final answer
    x = 116,859,397.95

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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.