Home / 72,406,356.30-108,609,534.45-58,057,449.30

Finding the Fourth Proportional to 72,406,356.30, 108,609,534.45 and 58,057,449.30

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Solution

The fourth proportional to 72,406,356.30, 108,609,534.45 and 58,057,449.30 is: 87,086,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406,356.30 : 108,609,534.45 = 58,057,449.30 : x
  2. Step 2: Convert to fraction form
    72,406,356.30/108,609,534.45 = 58,057,449.30/x
  3. Step 3: Cross multiply
    72,406,356.30x = 108,609,534.45 × 58,057,449.30
  4. Step 4: Simplify right side
    72,406,356.30x = 6,305,592,539,827,478
  5. Step 5: Solve for x
    x = 6,305,592,539,827,478/72,406,356.30
  6. Step 6: Final answer
    x = 87,086,173.95

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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.