Home / 129,368,001.20-194,052,001.80-92,899,338.80

Finding the Fourth Proportional to 129,368,001.20, 194,052,001.80 and 92,899,338.80

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Solution

The fourth proportional to 129,368,001.20, 194,052,001.80 and 92,899,338.80 is: 139,349,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,368,001.20 : 194,052,001.80 = 92,899,338.80 : x
  2. Step 2: Convert to fraction form
    129,368,001.20/194,052,001.80 = 92,899,338.80/x
  3. Step 3: Cross multiply
    129,368,001.20x = 194,052,001.80 × 92,899,338.80
  4. Step 4: Simplify right side
    129,368,001.20x = 18,027,302,660,036,412
  5. Step 5: Solve for x
    x = 18,027,302,660,036,412/129,368,001.20
  6. Step 6: Final answer
    x = 139,349,008.20

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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.