Home / 381,361,691.83-572,047,852.16-108,732,458.83

Finding the Fourth Proportional to 381,361,691.83, 572,047,852.16 and 108,732,458.83

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Solution

The fourth proportional to 381,361,691.83, 572,047,852.16 and 108,732,458.83 is: 163,100,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,361,691.83 : 572,047,852.16 = 108,732,458.83 : x
  2. Step 2: Convert to fraction form
    381,361,691.83/572,047,852.16 = 108,732,458.83/x
  3. Step 3: Cross multiply
    381,361,691.83x = 572,047,852.16 × 108,732,458.83
  4. Step 4: Simplify right side
    381,361,691.83x = 62,200,169,533,777,120
  5. Step 5: Solve for x
    x = 62,200,169,533,777,120/381,361,691.83
  6. Step 6: Final answer
    x = 163,100,203.47

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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.