Home / 82,981,803.60-124,472,705.40-39,935,082.60

Finding the Fourth Proportional to 82,981,803.60, 124,472,705.40 and 39,935,082.60

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Solution

The fourth proportional to 82,981,803.60, 124,472,705.40 and 39,935,082.60 is: 59,902,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,981,803.60 : 124,472,705.40 = 39,935,082.60 : x
  2. Step 2: Convert to fraction form
    82,981,803.60/124,472,705.40 = 39,935,082.60/x
  3. Step 3: Cross multiply
    82,981,803.60x = 124,472,705.40 × 39,935,082.60
  4. Step 4: Simplify right side
    82,981,803.60x = 4,970,827,771,594,466
  5. Step 5: Solve for x
    x = 4,970,827,771,594,466/82,981,803.60
  6. Step 6: Final answer
    x = 59,902,623.90

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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.