Home / 381,986,924.80-572,979,670.80-119,691,555.52

Finding the Fourth Proportional to 381,986,924.80, 572,979,670.80 and 119,691,555.52

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Solution

The fourth proportional to 381,986,924.80, 572,979,670.80 and 119,691,555.52 is: 179,537,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,924.80 : 572,979,670.80 = 119,691,555.52 : x
  2. Step 2: Convert to fraction form
    381,986,924.80/572,979,670.80 = 119,691,555.52/x
  3. Step 3: Cross multiply
    381,986,924.80x = 572,979,670.80 × 119,691,555.52
  4. Step 4: Simplify right side
    381,986,924.80x = 68,580,828,079,389,512
  5. Step 5: Solve for x
    x = 68,580,828,079,389,512/381,986,924.80
  6. Step 6: Final answer
    x = 179,537,108.80

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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.