Home / 140,451,330.90-210,676,996.35-123,445,218.90

Finding the Fourth Proportional to 140,451,330.90, 210,676,996.35 and 123,445,218.90

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Solution

The fourth proportional to 140,451,330.90, 210,676,996.35 and 123,445,218.90 is: 185,167,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,451,330.90 : 210,676,996.35 = 123,445,218.90 : x
  2. Step 2: Convert to fraction form
    140,451,330.90/210,676,996.35 = 123,445,218.90/x
  3. Step 3: Cross multiply
    140,451,330.90x = 210,676,996.35 × 123,445,218.90
  4. Step 4: Simplify right side
    140,451,330.90x = 26,007,067,931,620,252
  5. Step 5: Solve for x
    x = 26,007,067,931,620,252/140,451,330.90
  6. Step 6: Final answer
    x = 185,167,828.35

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Similar ratio
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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.