Home / 89,681,336.70-134,522,005.05-82,028,586.30

Finding the Fourth Proportional to 89,681,336.70, 134,522,005.05 and 82,028,586.30

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Solution

The fourth proportional to 89,681,336.70, 134,522,005.05 and 82,028,586.30 is: 123,042,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,681,336.70 : 134,522,005.05 = 82,028,586.30 : x
  2. Step 2: Convert to fraction form
    89,681,336.70/134,522,005.05 = 82,028,586.30/x
  3. Step 3: Cross multiply
    89,681,336.70x = 134,522,005.05 × 82,028,586.30
  4. Step 4: Simplify right side
    89,681,336.70x = 11,034,649,900,492,962
  5. Step 5: Solve for x
    x = 11,034,649,900,492,962/89,681,336.70
  6. Step 6: Final answer
    x = 123,042,879.45

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Similar ratio
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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.