Home / 81,757,444.90-122,687,223.06-54,482,875.81

Finding the Fourth Proportional to 81,757,444.90, 122,687,223.06 and 54,482,875.81

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Solution

The fourth proportional to 81,757,444.90, 122,687,223.06 and 54,482,875.81 is: 81,758,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,757,444.90 : 122,687,223.06 = 54,482,875.81 : x
  2. Step 2: Convert to fraction form
    81,757,444.90/122,687,223.06 = 54,482,875.81/x
  3. Step 3: Cross multiply
    81,757,444.90x = 122,687,223.06 × 54,482,875.81
  4. Step 4: Simplify right side
    81,757,444.90x = 6,684,352,737,451,749
  5. Step 5: Solve for x
    x = 6,684,352,737,451,749/81,757,444.90
  6. Step 6: Final answer
    x = 81,758,337.06

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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.