Home / 72,026,204.56-108,039,583.84-17,438,699.12

Finding the Fourth Proportional to 72,026,204.56, 108,039,583.84 and 17,438,699.12

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Solution

The fourth proportional to 72,026,204.56, 108,039,583.84 and 17,438,699.12 is: 26,158,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026,204.56 : 108,039,583.84 = 17,438,699.12 : x
  2. Step 2: Convert to fraction form
    72,026,204.56/108,039,583.84 = 17,438,699.12/x
  3. Step 3: Cross multiply
    72,026,204.56x = 108,039,583.84 × 17,438,699.12
  4. Step 4: Simplify right side
    72,026,204.56x = 1,884,069,795,635,774.50
  5. Step 5: Solve for x
    x = 1,884,069,795,635,774.50/72,026,204.56
  6. Step 6: Final answer
    x = 26,158,115.75

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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.