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Finding the Fourth Proportional to 88,452,334.40, 132,678,501.60 and 86,751,723.20

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Solution

The fourth proportional to 88,452,334.40, 132,678,501.60 and 86,751,723.20 is: 130,127,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452,334.40 : 132,678,501.60 = 86,751,723.20 : x
  2. Step 2: Convert to fraction form
    88,452,334.40/132,678,501.60 = 86,751,723.20/x
  3. Step 3: Cross multiply
    88,452,334.40x = 132,678,501.60 × 86,751,723.20
  4. Step 4: Simplify right side
    88,452,334.40x = 11,510,088,645,393,956
  5. Step 5: Solve for x
    x = 11,510,088,645,393,956/88,452,334.40
  6. Step 6: Final answer
    x = 130,127,584.80

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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.