Home / 91,756,839.70-137,794,691.85-48,710,118.70

Finding the Fourth Proportional to 91,756,839.70, 137,794,691.85 and 48,710,118.70

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Solution

The fourth proportional to 91,756,839.70, 137,794,691.85 and 48,710,118.70 is: 73,149,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756,839.70 : 137,794,691.85 = 48,710,118.70 : x
  2. Step 2: Convert to fraction form
    91,756,839.70/137,794,691.85 = 48,710,118.70/x
  3. Step 3: Cross multiply
    91,756,839.70x = 137,794,691.85 × 48,710,118.70
  4. Step 4: Simplify right side
    91,756,839.70x = 6,711,995,796,243,423
  5. Step 5: Solve for x
    x = 6,711,995,796,243,423/91,756,839.70
  6. Step 6: Final answer
    x = 73,149,814.42

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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.