Home / 72,581,610.30-108,872,415.45-48,395,139.90

Finding the Fourth Proportional to 72,581,610.30, 108,872,415.45 and 48,395,139.90

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Solution

The fourth proportional to 72,581,610.30, 108,872,415.45 and 48,395,139.90 is: 72,592,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,610.30 : 108,872,415.45 = 48,395,139.90 : x
  2. Step 2: Convert to fraction form
    72,581,610.30/108,872,415.45 = 48,395,139.90/x
  3. Step 3: Cross multiply
    72,581,610.30x = 108,872,415.45 × 48,395,139.90
  4. Step 4: Simplify right side
    72,581,610.30x = 5,268,895,776,953,671
  5. Step 5: Solve for x
    x = 5,268,895,776,953,671/72,581,610.30
  6. Step 6: Final answer
    x = 72,592,709.85

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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.