Home / 78,572,887.60-117,873,631.55-26,754,842.25

Finding the Fourth Proportional to 78,572,887.60, 117,873,631.55 and 26,754,842.25

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Solution

The fourth proportional to 78,572,887.60, 117,873,631.55 and 26,754,842.25 is: 40,137,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,572,887.60 : 117,873,631.55 = 26,754,842.25 : x
  2. Step 2: Convert to fraction form
    78,572,887.60/117,873,631.55 = 26,754,842.25/x
  3. Step 3: Cross multiply
    78,572,887.60x = 117,873,631.55 × 26,754,842.25
  4. Step 4: Simplify right side
    78,572,887.60x = 3,153,690,417,554,873
  5. Step 5: Solve for x
    x = 3,153,690,417,554,873/78,572,887.60
  6. Step 6: Final answer
    x = 40,137,132.72

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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.