Home / 72,026,200.56-108,039,577.86-17,438,695.14

Finding the Fourth Proportional to 72,026,200.56, 108,039,577.86 and 17,438,695.14

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Solution

The fourth proportional to 72,026,200.56, 108,039,577.86 and 17,438,695.14 is: 26,158,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026,200.56 : 108,039,577.86 = 17,438,695.14 : x
  2. Step 2: Convert to fraction form
    72,026,200.56/108,039,577.86 = 17,438,695.14/x
  3. Step 3: Cross multiply
    72,026,200.56x = 108,039,577.86 × 17,438,695.14
  4. Step 4: Simplify right side
    72,026,200.56x = 1,884,069,261,354,833.75
  5. Step 5: Solve for x
    x = 1,884,069,261,354,833.75/72,026,200.56
  6. Step 6: Final answer
    x = 26,158,109.78

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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.