Home / 129,034,928.80-193,552,393.20-88,160,125.60

Finding the Fourth Proportional to 129,034,928.80, 193,552,393.20 and 88,160,125.60

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Solution

The fourth proportional to 129,034,928.80, 193,552,393.20 and 88,160,125.60 is: 132,240,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,034,928.80 : 193,552,393.20 = 88,160,125.60 : x
  2. Step 2: Convert to fraction form
    129,034,928.80/193,552,393.20 = 88,160,125.60/x
  3. Step 3: Cross multiply
    129,034,928.80x = 193,552,393.20 × 88,160,125.60
  4. Step 4: Simplify right side
    129,034,928.80x = 17,063,603,294,692,584
  5. Step 5: Solve for x
    x = 17,063,603,294,692,584/129,034,928.80
  6. Step 6: Final answer
    x = 132,240,188.40

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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.