Home / 67,155,289.60-100,732,934.40-52,542,630.40

Finding the Fourth Proportional to 67,155,289.60, 100,732,934.40 and 52,542,630.40

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Solution

The fourth proportional to 67,155,289.60, 100,732,934.40 and 52,542,630.40 is: 78,813,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,289.60 : 100,732,934.40 = 52,542,630.40 : x
  2. Step 2: Convert to fraction form
    67,155,289.60/100,732,934.40 = 52,542,630.40/x
  3. Step 3: Cross multiply
    67,155,289.60x = 100,732,934.40 × 52,542,630.40
  4. Step 4: Simplify right side
    67,155,289.60x = 5,292,773,341,286,646
  5. Step 5: Solve for x
    x = 5,292,773,341,286,646/67,155,289.60
  6. Step 6: Final answer
    x = 78,813,945.60

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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.