Home / 129,032,951.20-193,549,426.80-97,182,455.20

Finding the Fourth Proportional to 129,032,951.20, 193,549,426.80 and 97,182,455.20

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Solution

The fourth proportional to 129,032,951.20, 193,549,426.80 and 97,182,455.20 is: 145,773,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,951.20 : 193,549,426.80 = 97,182,455.20 : x
  2. Step 2: Convert to fraction form
    129,032,951.20/193,549,426.80 = 97,182,455.20/x
  3. Step 3: Cross multiply
    129,032,951.20x = 193,549,426.80 × 97,182,455.20
  4. Step 4: Simplify right side
    129,032,951.20x = 18,809,608,498,976,680
  5. Step 5: Solve for x
    x = 18,809,608,498,976,680/129,032,951.20
  6. Step 6: Final answer
    x = 145,773,682.80

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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.