Home / 115,908,712.20-173,664,002.70-61,240,321.80

Finding the Fourth Proportional to 115,908,712.20, 173,664,002.70 and 61,240,321.80

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Solution

The fourth proportional to 115,908,712.20, 173,664,002.70 and 61,240,321.80 is: 91,755,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,908,712.20 : 173,664,002.70 = 61,240,321.80 : x
  2. Step 2: Convert to fraction form
    115,908,712.20/173,664,002.70 = 61,240,321.80/x
  3. Step 3: Cross multiply
    115,908,712.20x = 173,664,002.70 × 61,240,321.80
  4. Step 4: Simplify right side
    115,908,712.20x = 10,635,239,410,424,068
  5. Step 5: Solve for x
    x = 10,635,239,410,424,068/115,908,712.20
  6. Step 6: Final answer
    x = 91,755,306.47

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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.