Home / 169,489,520.40-254,267,458.20-72,445,040.40

Finding the Fourth Proportional to 169,489,520.40, 254,267,458.20 and 72,445,040.40

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Solution

The fourth proportional to 169,489,520.40, 254,267,458.20 and 72,445,040.40 is: 108,681,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,520.40 : 254,267,458.20 = 72,445,040.40 : x
  2. Step 2: Convert to fraction form
    169,489,520.40/254,267,458.20 = 72,445,040.40/x
  3. Step 3: Cross multiply
    169,489,520.40x = 254,267,458.20 × 72,445,040.40
  4. Step 4: Simplify right side
    169,489,520.40x = 18,420,416,281,704,312
  5. Step 5: Solve for x
    x = 18,420,416,281,704,312/169,489,520.40
  6. Step 6: Final answer
    x = 108,681,741.73

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1.5x scale

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.