Home / 81,350,279.55-121,976,246.79-32,771,395.98

Finding the Fourth Proportional to 81,350,279.55, 121,976,246.79 and 32,771,395.98

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Solution

The fourth proportional to 81,350,279.55, 121,976,246.79 and 32,771,395.98 is: 49,137,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,350,279.55 : 121,976,246.79 = 32,771,395.98 : x
  2. Step 2: Convert to fraction form
    81,350,279.55/121,976,246.79 = 32,771,395.98/x
  3. Step 3: Cross multiply
    81,350,279.55x = 121,976,246.79 × 32,771,395.98
  4. Step 4: Simplify right side
    81,350,279.55x = 3,997,331,883,709,294
  5. Step 5: Solve for x
    x = 3,997,331,883,709,294/81,350,279.55
  6. Step 6: Final answer
    x = 49,137,285.16

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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.