Home / 287,746,754.56-431,555,035.44-132,150,977.44

Finding the Fourth Proportional to 287,746,754.56, 431,555,035.44 and 132,150,977.44

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Solution

The fourth proportional to 287,746,754.56, 431,555,035.44 and 132,150,977.44 is: 198,196,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,746,754.56 : 431,555,035.44 = 132,150,977.44 : x
  2. Step 2: Convert to fraction form
    287,746,754.56/431,555,035.44 = 132,150,977.44/x
  3. Step 3: Cross multiply
    287,746,754.56x = 431,555,035.44 × 132,150,977.44
  4. Step 4: Simplify right side
    287,746,754.56x = 57,030,419,752,549,840
  5. Step 5: Solve for x
    x = 57,030,419,752,549,840/287,746,754.56
  6. Step 6: Final answer
    x = 198,196,569.90

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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.