Home / 81,534,577.59-112,474,839.63-48,471,307.96

Finding the Fourth Proportional to 81,534,577.59, 112,474,839.63 and 48,471,307.96

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Solution

The fourth proportional to 81,534,577.59, 112,474,839.63 and 48,471,307.96 is: 66,864,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534,577.59 : 112,474,839.63 = 48,471,307.96 : x
  2. Step 2: Convert to fraction form
    81,534,577.59/112,474,839.63 = 48,471,307.96/x
  3. Step 3: Cross multiply
    81,534,577.59x = 112,474,839.63 × 48,471,307.96
  4. Step 4: Simplify right side
    81,534,577.59x = 5,451,802,589,457,342
  5. Step 5: Solve for x
    x = 5,451,802,589,457,342/81,534,577.59
  6. Step 6: Final answer
    x = 66,864,914.87

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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.