Home / 72,610,562.40-108,938,867.88-25,923,046.50

Finding the Fourth Proportional to 72,610,562.40, 108,938,867.88 and 25,923,046.50

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Solution

The fourth proportional to 72,610,562.40, 108,938,867.88 and 25,923,046.50 is: 38,892,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,562.40 : 108,938,867.88 = 25,923,046.50 : x
  2. Step 2: Convert to fraction form
    72,610,562.40/108,938,867.88 = 25,923,046.50/x
  3. Step 3: Cross multiply
    72,610,562.40x = 108,938,867.88 × 25,923,046.50
  4. Step 4: Simplify right side
    72,610,562.40x = 2,824,027,337,710,596.50
  5. Step 5: Solve for x
    x = 2,824,027,337,710,596.50/72,610,562.40
  6. Step 6: Final answer
    x = 38,892,789.76

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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.