Home / 91,534,469.20-137,301,703.80-48,387,000.40

Finding the Fourth Proportional to 91,534,469.20, 137,301,703.80 and 48,387,000.40

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Solution

The fourth proportional to 91,534,469.20, 137,301,703.80 and 48,387,000.40 is: 72,580,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534,469.20 : 137,301,703.80 = 48,387,000.40 : x
  2. Step 2: Convert to fraction form
    91,534,469.20/137,301,703.80 = 48,387,000.40/x
  3. Step 3: Cross multiply
    91,534,469.20x = 137,301,703.80 × 48,387,000.40
  4. Step 4: Simplify right side
    91,534,469.20x = 6,643,617,596,691,282
  5. Step 5: Solve for x
    x = 6,643,617,596,691,282/91,534,469.20
  6. Step 6: Final answer
    x = 72,580,500.60

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1.5x scale

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.