Home / 90,560,103.27-135,854,447.76-38,745,041.72

Finding the Fourth Proportional to 90,560,103.27, 135,854,447.76 and 38,745,041.72

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Solution

The fourth proportional to 90,560,103.27, 135,854,447.76 and 38,745,041.72 is: 58,123,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560,103.27 : 135,854,447.76 = 38,745,041.72 : x
  2. Step 2: Convert to fraction form
    90,560,103.27/135,854,447.76 = 38,745,041.72/x
  3. Step 3: Cross multiply
    90,560,103.27x = 135,854,447.76 × 38,745,041.72
  4. Step 4: Simplify right side
    90,560,103.27x = 5,263,686,245,636,107
  5. Step 5: Solve for x
    x = 5,263,686,245,636,107/90,560,103.27
  6. Step 6: Final answer
    x = 58,123,677.60

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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.