Home / 323,517,695.60-485,276,543.40-142,119,167.60

Finding the Fourth Proportional to 323,517,695.60, 485,276,543.40 and 142,119,167.60

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Solution

The fourth proportional to 323,517,695.60, 485,276,543.40 and 142,119,167.60 is: 213,178,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517,695.60 : 485,276,543.40 = 142,119,167.60 : x
  2. Step 2: Convert to fraction form
    323,517,695.60/485,276,543.40 = 142,119,167.60/x
  3. Step 3: Cross multiply
    323,517,695.60x = 485,276,543.40 × 142,119,167.60
  4. Step 4: Simplify right side
    323,517,695.60x = 68,967,098,403,813,264
  5. Step 5: Solve for x
    x = 68,967,098,403,813,264/323,517,695.60
  6. Step 6: Final answer
    x = 213,178,751.40

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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.