Home / 77,694,861.43-107,218,534.94-42,887,247.40

Finding the Fourth Proportional to 77,694,861.43, 107,218,534.94 and 42,887,247.40

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Solution

The fourth proportional to 77,694,861.43, 107,218,534.94 and 42,887,247.40 is: 59,184,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,694,861.43 : 107,218,534.94 = 42,887,247.40 : x
  2. Step 2: Convert to fraction form
    77,694,861.43/107,218,534.94 = 42,887,247.40/x
  3. Step 3: Cross multiply
    77,694,861.43x = 107,218,534.94 × 42,887,247.40
  4. Step 4: Simplify right side
    77,694,861.43x = 4,598,307,833,515,669
  5. Step 5: Solve for x
    x = 4,598,307,833,515,669/77,694,861.43
  6. Step 6: Final answer
    x = 59,184,195.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.