Home / 91,494,977.73-126,263,976.53-49,679,385.72

Finding the Fourth Proportional to 91,494,977.73, 126,263,976.53 and 49,679,385.72

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Solution

The fourth proportional to 91,494,977.73, 126,263,976.53 and 49,679,385.72 is: 68,558,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494,977.73 : 126,263,976.53 = 49,679,385.72 : x
  2. Step 2: Convert to fraction form
    91,494,977.73/126,263,976.53 = 49,679,385.72/x
  3. Step 3: Cross multiply
    91,494,977.73x = 126,263,976.53 × 49,679,385.72
  4. Step 4: Simplify right side
    91,494,977.73x = 6,272,716,791,853,011
  5. Step 5: Solve for x
    x = 6,272,716,791,853,011/91,494,977.73
  6. Step 6: Final answer
    x = 68,558,044.91

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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.