Home / 381,986,535.59-572,979,088.17-119,691,166.46

Finding the Fourth Proportional to 381,986,535.59, 572,979,088.17 and 119,691,166.46

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Solution

The fourth proportional to 381,986,535.59, 572,979,088.17 and 119,691,166.46 is: 179,536,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,535.59 : 572,979,088.17 = 119,691,166.46 : x
  2. Step 2: Convert to fraction form
    381,986,535.59/572,979,088.17 = 119,691,166.46/x
  3. Step 3: Cross multiply
    381,986,535.59x = 572,979,088.17 × 119,691,166.46
  4. Step 4: Simplify right side
    381,986,535.59x = 68,580,535,417,389,584
  5. Step 5: Solve for x
    x = 68,580,535,417,389,584/381,986,535.59
  6. Step 6: Final answer
    x = 179,536,525.58

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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.