Home / 81,655,276.05-122,482,914.08-36,217,070.55

Finding the Fourth Proportional to 81,655,276.05, 122,482,914.08 and 36,217,070.55

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Solution

The fourth proportional to 81,655,276.05, 122,482,914.08 and 36,217,070.55 is: 54,325,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,655,276.05 : 122,482,914.08 = 36,217,070.55 : x
  2. Step 2: Convert to fraction form
    81,655,276.05/122,482,914.08 = 36,217,070.55/x
  3. Step 3: Cross multiply
    81,655,276.05x = 122,482,914.08 × 36,217,070.55
  4. Step 4: Simplify right side
    81,655,276.05x = 4,435,972,340,223,862.50
  5. Step 5: Solve for x
    x = 4,435,972,340,223,862.50/81,655,276.05
  6. Step 6: Final answer
    x = 54,325,605.83

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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.