Home / 99,781,230.60-149,727,833.10-42,263,713.80

Finding the Fourth Proportional to 99,781,230.60, 149,727,833.10 and 42,263,713.80

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Solution

The fourth proportional to 99,781,230.60, 149,727,833.10 and 42,263,713.80 is: 63,419,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,781,230.60 : 149,727,833.10 = 42,263,713.80 : x
  2. Step 2: Convert to fraction form
    99,781,230.60/149,727,833.10 = 42,263,713.80/x
  3. Step 3: Cross multiply
    99,781,230.60x = 149,727,833.10 × 42,263,713.80
  4. Step 4: Simplify right side
    99,781,230.60x = 6,328,054,286,032,566
  5. Step 5: Solve for x
    x = 6,328,054,286,032,566/99,781,230.60
  6. Step 6: Final answer
    x = 63,419,284.85

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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.