Home / 72,179,538.30-108,226,069.11-22,974,137.82

Finding the Fourth Proportional to 72,179,538.30, 108,226,069.11 and 22,974,137.82

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Solution

The fourth proportional to 72,179,538.30, 108,226,069.11 and 22,974,137.82 is: 34,447,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,179,538.30 : 108,226,069.11 = 22,974,137.82 : x
  2. Step 2: Convert to fraction form
    72,179,538.30/108,226,069.11 = 22,974,137.82/x
  3. Step 3: Cross multiply
    72,179,538.30x = 108,226,069.11 × 22,974,137.82
  4. Step 4: Simplify right side
    72,179,538.30x = 2,486,400,627,449,985
  5. Step 5: Solve for x
    x = 2,486,400,627,449,985/72,179,538.30
  6. Step 6: Final answer
    x = 34,447,444.33

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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.