Home / 381,361,689.36-572,047,848.42-108,732,456.36

Finding the Fourth Proportional to 381,361,689.36, 572,047,848.42 and 108,732,456.36

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Solution

The fourth proportional to 381,361,689.36, 572,047,848.42 and 108,732,456.36 is: 163,100,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,361,689.36 : 572,047,848.42 = 108,732,456.36 : x
  2. Step 2: Convert to fraction form
    381,361,689.36/572,047,848.42 = 108,732,456.36/x
  3. Step 3: Cross multiply
    381,361,689.36x = 572,047,848.42 × 108,732,456.36
  4. Step 4: Simplify right side
    381,361,689.36x = 62,200,167,714,159,536
  5. Step 5: Solve for x
    x = 62,200,167,714,159,536/381,361,689.36
  6. Step 6: Final answer
    x = 163,100,199.76

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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.