Home / 131,693,545.82-181,748,253.50-72,974,629.73

Finding the Fourth Proportional to 131,693,545.82, 181,748,253.50 and 72,974,629.73

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Solution

The fourth proportional to 131,693,545.82, 181,748,253.50 and 72,974,629.73 is: 100,711,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,693,545.82 : 181,748,253.50 = 72,974,629.73 : x
  2. Step 2: Convert to fraction form
    131,693,545.82/181,748,253.50 = 72,974,629.73/x
  3. Step 3: Cross multiply
    131,693,545.82x = 181,748,253.50 × 72,974,629.73
  4. Step 4: Simplify right side
    131,693,545.82x = 13,263,011,503,236,678
  5. Step 5: Solve for x
    x = 13,263,011,503,236,678/131,693,545.82
  6. Step 6: Final answer
    x = 100,711,173.21

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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.