Home / 121,949,229,658.20-168,294,478,704.48-73,127,998,702.86

Finding the Fourth Proportional to 121,949,229,658.20, 168,294,478,704.48 and 73,127,998,702.86

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Solution

The fourth proportional to 121,949,229,658.20, 168,294,478,704.48 and 73,127,998,702.86 is: 100,919,361,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,949,229,658.20 : 168,294,478,704.48 = 73,127,998,702.86 : x
  2. Step 2: Convert to fraction form
    121,949,229,658.20/168,294,478,704.48 = 73,127,998,702.86/x
  3. Step 3: Cross multiply
    121,949,229,658.20x = 168,294,478,704.48 × 73,127,998,702.86
  4. Step 4: Simplify right side
    121,949,229,658.20x = 12,307,038,420,399,713,943,552
  5. Step 5: Solve for x
    x = 12,307,038,420,399,713,943,552/121,949,229,658.20
  6. Step 6: Final answer
    x = 100,919,361,728.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.