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Finding the Fourth Proportional to 88,740,487.40, 132,858,788.70 and 88,740,487.40

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Solution

The fourth proportional to 88,740,487.40, 132,858,788.70 and 88,740,487.40 is: 132,858,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740,487.40 : 132,858,788.70 = 88,740,487.40 : x
  2. Step 2: Convert to fraction form
    88,740,487.40/132,858,788.70 = 88,740,487.40/x
  3. Step 3: Cross multiply
    88,740,487.40x = 132,858,788.70 × 88,740,487.40
  4. Step 4: Simplify right side
    88,740,487.40x = 11,789,953,664,611,614
  5. Step 5: Solve for x
    x = 11,789,953,664,611,614/88,740,487.40
  6. Step 6: Final answer
    x = 132,858,788.70

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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.