Home / 104,781,000.42-157,195,062.27-31,991,691.78

Finding the Fourth Proportional to 104,781,000.42, 157,195,062.27 and 31,991,691.78

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Solution

The fourth proportional to 104,781,000.42, 157,195,062.27 and 31,991,691.78 is: 47,994,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781,000.42 : 157,195,062.27 = 31,991,691.78 : x
  2. Step 2: Convert to fraction form
    104,781,000.42/157,195,062.27 = 31,991,691.78/x
  3. Step 3: Cross multiply
    104,781,000.42x = 157,195,062.27 × 31,991,691.78
  4. Step 4: Simplify right side
    104,781,000.42x = 5,028,935,981,479,748
  5. Step 5: Solve for x
    x = 5,028,935,981,479,748/104,781,000.42
  6. Step 6: Final answer
    x = 47,994,731.50

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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.