Home / 251,288,672.40-376,933,008.60-186,718,590.90

Finding the Fourth Proportional to 251,288,672.40, 376,933,008.60 and 186,718,590.90

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Solution

The fourth proportional to 251,288,672.40, 376,933,008.60 and 186,718,590.90 is: 280,077,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,288,672.40 : 376,933,008.60 = 186,718,590.90 : x
  2. Step 2: Convert to fraction form
    251,288,672.40/376,933,008.60 = 186,718,590.90/x
  3. Step 3: Cross multiply
    251,288,672.40x = 376,933,008.60 × 186,718,590.90
  4. Step 4: Simplify right side
    251,288,672.40x = 70,380,400,229,489,592
  5. Step 5: Solve for x
    x = 70,380,400,229,489,592/251,288,672.40
  6. Step 6: Final answer
    x = 280,077,886.35

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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.