Home / 77,297,733.48-106,672,197.18-42,491,890.92

Finding the Fourth Proportional to 77,297,733.48, 106,672,197.18 and 42,491,890.92

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Solution

The fourth proportional to 77,297,733.48, 106,672,197.18 and 42,491,890.92 is: 58,639,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,297,733.48 : 106,672,197.18 = 42,491,890.92 : x
  2. Step 2: Convert to fraction form
    77,297,733.48/106,672,197.18 = 42,491,890.92/x
  3. Step 3: Cross multiply
    77,297,733.48x = 106,672,197.18 × 42,491,890.92
  4. Step 4: Simplify right side
    77,297,733.48x = 4,532,703,366,769,292
  5. Step 5: Solve for x
    x = 4,532,703,366,769,292/77,297,733.48
  6. Step 6: Final answer
    x = 58,639,537.83

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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.