Home / 137,644,534.60-206,466,801.90-76,422,531.40

Finding the Fourth Proportional to 137,644,534.60, 206,466,801.90 and 76,422,531.40

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Solution

The fourth proportional to 137,644,534.60, 206,466,801.90 and 76,422,531.40 is: 114,633,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,644,534.60 : 206,466,801.90 = 76,422,531.40 : x
  2. Step 2: Convert to fraction form
    137,644,534.60/206,466,801.90 = 76,422,531.40/x
  3. Step 3: Cross multiply
    137,644,534.60x = 206,466,801.90 × 76,422,531.40
  4. Step 4: Simplify right side
    137,644,534.60x = 15,778,715,651,260,332
  5. Step 5: Solve for x
    x = 15,778,715,651,260,332/137,644,534.60
  6. Step 6: Final answer
    x = 114,633,797.10

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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.