Home / 121,350,669.60-182,026,004.40-80,536,000.80

Finding the Fourth Proportional to 121,350,669.60, 182,026,004.40 and 80,536,000.80

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Solution

The fourth proportional to 121,350,669.60, 182,026,004.40 and 80,536,000.80 is: 120,804,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350,669.60 : 182,026,004.40 = 80,536,000.80 : x
  2. Step 2: Convert to fraction form
    121,350,669.60/182,026,004.40 = 80,536,000.80/x
  3. Step 3: Cross multiply
    121,350,669.60x = 182,026,004.40 × 80,536,000.80
  4. Step 4: Simplify right side
    121,350,669.60x = 14,659,646,435,979,204
  5. Step 5: Solve for x
    x = 14,659,646,435,979,204/121,350,669.60
  6. Step 6: Final answer
    x = 120,804,001.20

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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.