Home / 381,361,690.36-572,047,849.92-108,732,457.36

Finding the Fourth Proportional to 381,361,690.36, 572,047,849.92 and 108,732,457.36

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Solution

The fourth proportional to 381,361,690.36, 572,047,849.92 and 108,732,457.36 is: 163,100,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,361,690.36 : 572,047,849.92 = 108,732,457.36 : x
  2. Step 2: Convert to fraction form
    381,361,690.36/572,047,849.92 = 108,732,457.36/x
  3. Step 3: Cross multiply
    381,361,690.36x = 572,047,849.92 × 108,732,457.36
  4. Step 4: Simplify right side
    381,361,690.36x = 62,200,168,449,306,072
  5. Step 5: Solve for x
    x = 62,200,168,449,306,072/381,361,690.36
  6. Step 6: Final answer
    x = 163,100,201.26

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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.