Home / 157,220,974.32-216,981,089.56-94,517,371.86

Finding the Fourth Proportional to 157,220,974.32, 216,981,089.56 and 94,517,371.86

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Solution

The fourth proportional to 157,220,974.32, 216,981,089.56 and 94,517,371.86 is: 130,443,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220,974.32 : 216,981,089.56 = 94,517,371.86 : x
  2. Step 2: Convert to fraction form
    157,220,974.32/216,981,089.56 = 94,517,371.86/x
  3. Step 3: Cross multiply
    157,220,974.32x = 216,981,089.56 × 94,517,371.86
  4. Step 4: Simplify right side
    157,220,974.32x = 20,508,482,328,530,484
  5. Step 5: Solve for x
    x = 20,508,482,328,530,484/157,220,974.32
  6. Step 6: Final answer
    x = 130,443,679.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.