Home / 272,565,025.20-408,847,537.80-163,725,908.40

Finding the Fourth Proportional to 272,565,025.20, 408,847,537.80 and 163,725,908.40

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Solution

The fourth proportional to 272,565,025.20, 408,847,537.80 and 163,725,908.40 is: 245,588,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,025.20 : 408,847,537.80 = 163,725,908.40 : x
  2. Step 2: Convert to fraction form
    272,565,025.20/408,847,537.80 = 163,725,908.40/x
  3. Step 3: Cross multiply
    272,565,025.20x = 408,847,537.80 × 163,725,908.40
  4. Step 4: Simplify right side
    272,565,025.20x = 66,938,934,523,408,344
  5. Step 5: Solve for x
    x = 66,938,934,523,408,344/272,565,025.20
  6. Step 6: Final answer
    x = 245,588,862.60

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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.