Home / 323,414,280.80-485,121,421.20-93,390,869.60

Finding the Fourth Proportional to 323,414,280.80, 485,121,421.20 and 93,390,869.60

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Solution

The fourth proportional to 323,414,280.80, 485,121,421.20 and 93,390,869.60 is: 140,086,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,414,280.80 : 485,121,421.20 = 93,390,869.60 : x
  2. Step 2: Convert to fraction form
    323,414,280.80/485,121,421.20 = 93,390,869.60/x
  3. Step 3: Cross multiply
    323,414,280.80x = 485,121,421.20 × 93,390,869.60
  4. Step 4: Simplify right side
    323,414,280.80x = 45,305,911,387,455,872
  5. Step 5: Solve for x
    x = 45,305,911,387,455,872/323,414,280.80
  6. Step 6: Final answer
    x = 140,086,304.40

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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.