Home / 102,307,818.88-141,183,120-55,897,073.92

Finding the Fourth Proportional to 102,307,818.88, 141,183,120 and 55,897,073.92

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Solution

The fourth proportional to 102,307,818.88, 141,183,120 and 55,897,073.92 is: 77,137,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,307,818.88 : 141,183,120 = 55,897,073.92 : x
  2. Step 2: Convert to fraction form
    102,307,818.88/141,183,120 = 55,897,073.92/x
  3. Step 3: Cross multiply
    102,307,818.88x = 141,183,120 × 55,897,073.92
  4. Step 4: Simplify right side
    102,307,818.88x = 7,891,723,294,896,231
  5. Step 5: Solve for x
    x = 7,891,723,294,896,231/102,307,818.88
  6. Step 6: Final answer
    x = 77,137,049.56

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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.