Home / 88,064,251.20-132,096,376.80-81,686,959.20

Finding the Fourth Proportional to 88,064,251.20, 132,096,376.80 and 81,686,959.20

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Solution

The fourth proportional to 88,064,251.20, 132,096,376.80 and 81,686,959.20 is: 122,530,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,064,251.20 : 132,096,376.80 = 81,686,959.20 : x
  2. Step 2: Convert to fraction form
    88,064,251.20/132,096,376.80 = 81,686,959.20/x
  3. Step 3: Cross multiply
    88,064,251.20x = 132,096,376.80 × 81,686,959.20
  4. Step 4: Simplify right side
    88,064,251.20x = 10,790,551,342,129,426
  5. Step 5: Solve for x
    x = 10,790,551,342,129,426/88,064,251.20
  6. Step 6: Final answer
    x = 122,530,438.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.