Home / 86,729,592.46-119,713,638.05-55,789,761.74

Finding the Fourth Proportional to 86,729,592.46, 119,713,638.05 and 55,789,761.74

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Solution

The fourth proportional to 86,729,592.46, 119,713,638.05 and 55,789,761.74 is: 77,007,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729,592.46 : 119,713,638.05 = 55,789,761.74 : x
  2. Step 2: Convert to fraction form
    86,729,592.46/119,713,638.05 = 55,789,761.74/x
  3. Step 3: Cross multiply
    86,729,592.46x = 119,713,638.05 × 55,789,761.74
  4. Step 4: Simplify right side
    86,729,592.46x = 6,678,795,343,843,063
  5. Step 5: Solve for x
    x = 6,678,795,343,843,063/86,729,592.46
  6. Step 6: Final answer
    x = 77,007,110.89

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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.