Home / 72,179,539.80-108,226,071.36-22,974,139.32

Finding the Fourth Proportional to 72,179,539.80, 108,226,071.36 and 22,974,139.32

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Solution

The fourth proportional to 72,179,539.80, 108,226,071.36 and 22,974,139.32 is: 34,447,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,179,539.80 : 108,226,071.36 = 22,974,139.32 : x
  2. Step 2: Convert to fraction form
    72,179,539.80/108,226,071.36 = 22,974,139.32/x
  3. Step 3: Cross multiply
    72,179,539.80x = 108,226,071.36 × 22,974,139.32
  4. Step 4: Simplify right side
    72,179,539.80x = 2,486,400,841,480,902
  5. Step 5: Solve for x
    x = 2,486,400,841,480,902/72,179,539.80
  6. Step 6: Final answer
    x = 34,447,446.58

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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.