Home / 84,251,133.60-126,376,700.40-74,685,195.60

Finding the Fourth Proportional to 84,251,133.60, 126,376,700.40 and 74,685,195.60

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Solution

The fourth proportional to 84,251,133.60, 126,376,700.40 and 74,685,195.60 is: 112,027,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,133.60 : 126,376,700.40 = 74,685,195.60 : x
  2. Step 2: Convert to fraction form
    84,251,133.60/126,376,700.40 = 74,685,195.60/x
  3. Step 3: Cross multiply
    84,251,133.60x = 126,376,700.40 × 74,685,195.60
  4. Step 4: Simplify right side
    84,251,133.60x = 9,438,468,588,656,598
  5. Step 5: Solve for x
    x = 9,438,468,588,656,598/84,251,133.60
  6. Step 6: Final answer
    x = 112,027,793.40

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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.