Home / 157,620,806.40-236,033,078.40-103,474,963.20

Finding the Fourth Proportional to 157,620,806.40, 236,033,078.40 and 103,474,963.20

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Solution

The fourth proportional to 157,620,806.40, 236,033,078.40 and 103,474,963.20 is: 154,951,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,620,806.40 : 236,033,078.40 = 103,474,963.20 : x
  2. Step 2: Convert to fraction form
    157,620,806.40/236,033,078.40 = 103,474,963.20/x
  3. Step 3: Cross multiply
    157,620,806.40x = 236,033,078.40 × 103,474,963.20
  4. Step 4: Simplify right side
    157,620,806.40x = 24,423,514,101,422,716
  5. Step 5: Solve for x
    x = 24,423,514,101,422,716/157,620,806.40
  6. Step 6: Final answer
    x = 154,951,079.49

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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.