Home / 48,291,215.10-72,436,822.65-29,112,099.90

Finding the Fourth Proportional to 48,291,215.10, 72,436,822.65 and 29,112,099.90

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Solution

The fourth proportional to 48,291,215.10, 72,436,822.65 and 29,112,099.90 is: 43,668,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291,215.10 : 72,436,822.65 = 29,112,099.90 : x
  2. Step 2: Convert to fraction form
    48,291,215.10/72,436,822.65 = 29,112,099.90/x
  3. Step 3: Cross multiply
    48,291,215.10x = 72,436,822.65 × 29,112,099.90
  4. Step 4: Simplify right side
    48,291,215.10x = 2,108,788,017,425,382.75
  5. Step 5: Solve for x
    x = 2,108,788,017,425,382.75/48,291,215.10
  6. Step 6: Final answer
    x = 43,668,149.85

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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.