Home / 119,561,958.96-178,687,865.82-87,281,838.96

Finding the Fourth Proportional to 119,561,958.96, 178,687,865.82 and 87,281,838.96

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Solution

The fourth proportional to 119,561,958.96, 178,687,865.82 and 87,281,838.96 is: 130,444,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,561,958.96 : 178,687,865.82 = 87,281,838.96 : x
  2. Step 2: Convert to fraction form
    119,561,958.96/178,687,865.82 = 87,281,838.96/x
  3. Step 3: Cross multiply
    119,561,958.96x = 178,687,865.82 × 87,281,838.96
  4. Step 4: Simplify right side
    119,561,958.96x = 15,596,205,528,607,326
  5. Step 5: Solve for x
    x = 15,596,205,528,607,326/119,561,958.96
  6. Step 6: Final answer
    x = 130,444,546.61

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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.