Home / 169,489,310.40-254,267,143.20-72,444,830.40

Finding the Fourth Proportional to 169,489,310.40, 254,267,143.20 and 72,444,830.40

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Solution

The fourth proportional to 169,489,310.40, 254,267,143.20 and 72,444,830.40 is: 108,681,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,310.40 : 254,267,143.20 = 72,444,830.40 : x
  2. Step 2: Convert to fraction form
    169,489,310.40/254,267,143.20 = 72,444,830.40/x
  3. Step 3: Cross multiply
    169,489,310.40x = 254,267,143.20 × 72,444,830.40
  4. Step 4: Simplify right side
    169,489,310.40x = 18,420,340,065,416,512
  5. Step 5: Solve for x
    x = 18,420,340,065,416,512/169,489,310.40
  6. Step 6: Final answer
    x = 108,681,426.70

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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.