Home / 119,561,959.96-178,687,867.31-87,281,839.96

Finding the Fourth Proportional to 119,561,959.96, 178,687,867.31 and 87,281,839.96

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Solution

The fourth proportional to 119,561,959.96, 178,687,867.31 and 87,281,839.96 is: 130,444,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,561,959.96 : 178,687,867.31 = 87,281,839.96 : x
  2. Step 2: Convert to fraction form
    119,561,959.96/178,687,867.31 = 87,281,839.96/x
  3. Step 3: Cross multiply
    119,561,959.96x = 178,687,867.31 × 87,281,839.96
  4. Step 4: Simplify right side
    119,561,959.96x = 15,596,205,837,345,134
  5. Step 5: Solve for x
    x = 15,596,205,837,345,134/119,561,959.96
  6. Step 6: Final answer
    x = 130,444,548.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.