Home / 126,368,000.80-189,552,001.20-58,343,552.80

Finding the Fourth Proportional to 126,368,000.80, 189,552,001.20 and 58,343,552.80

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Solution

The fourth proportional to 126,368,000.80, 189,552,001.20 and 58,343,552.80 is: 87,515,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,368,000.80 : 189,552,001.20 = 58,343,552.80 : x
  2. Step 2: Convert to fraction form
    126,368,000.80/189,552,001.20 = 58,343,552.80/x
  3. Step 3: Cross multiply
    126,368,000.80x = 189,552,001.20 × 58,343,552.80
  4. Step 4: Simplify right side
    126,368,000.80x = 11,059,137,190,357,862
  5. Step 5: Solve for x
    x = 11,059,137,190,357,862/126,368,000.80
  6. Step 6: Final answer
    x = 87,515,329.20

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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.