Home / 129,032,000.80-193,548,001.20-124,652,557.60

Finding the Fourth Proportional to 129,032,000.80, 193,548,001.20 and 124,652,557.60

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Solution

The fourth proportional to 129,032,000.80, 193,548,001.20 and 124,652,557.60 is: 186,978,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,000.80 : 193,548,001.20 = 124,652,557.60 : x
  2. Step 2: Convert to fraction form
    129,032,000.80/193,548,001.20 = 124,652,557.60/x
  3. Step 3: Cross multiply
    129,032,000.80x = 193,548,001.20 × 124,652,557.60
  4. Step 4: Simplify right side
    129,032,000.80x = 24,126,253,367,947,868
  5. Step 5: Solve for x
    x = 24,126,253,367,947,868/129,032,000.80
  6. Step 6: Final answer
    x = 186,978,836.40

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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.