Home / 49,205,215.20-73,807,822.80-18,914,066.40

Finding the Fourth Proportional to 49,205,215.20, 73,807,822.80 and 18,914,066.40

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Solution

The fourth proportional to 49,205,215.20, 73,807,822.80 and 18,914,066.40 is: 28,371,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,205,215.20 : 73,807,822.80 = 18,914,066.40 : x
  2. Step 2: Convert to fraction form
    49,205,215.20/73,807,822.80 = 18,914,066.40/x
  3. Step 3: Cross multiply
    49,205,215.20x = 73,807,822.80 × 18,914,066.40
  4. Step 4: Simplify right side
    49,205,215.20x = 1,396,006,061,278,633.75
  5. Step 5: Solve for x
    x = 1,396,006,061,278,633.75/49,205,215.20
  6. Step 6: Final answer
    x = 28,371,099.60

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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.