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Finding the Fourth Proportional to 88,079,052.80, 123,565,765.60 and 88,079,052.80

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Solution

The fourth proportional to 88,079,052.80, 123,565,765.60 and 88,079,052.80 is: 123,565,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079,052.80 : 123,565,765.60 = 88,079,052.80 : x
  2. Step 2: Convert to fraction form
    88,079,052.80/123,565,765.60 = 88,079,052.80/x
  3. Step 3: Cross multiply
    88,079,052.80x = 123,565,765.60 × 88,079,052.80
  4. Step 4: Simplify right side
    88,079,052.80x = 10,883,555,592,554,822
  5. Step 5: Solve for x
    x = 10,883,555,592,554,822/88,079,052.80
  6. Step 6: Final answer
    x = 123,565,765.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.