Home / 137,806,432.71-206,514,656.14-76,422,591.51

Finding the Fourth Proportional to 137,806,432.71, 206,514,656.14 and 76,422,591.51

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Solution

The fourth proportional to 137,806,432.71, 206,514,656.14 and 76,422,591.51 is: 114,525,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,806,432.71 : 206,514,656.14 = 76,422,591.51 : x
  2. Step 2: Convert to fraction form
    137,806,432.71/206,514,656.14 = 76,422,591.51/x
  3. Step 3: Cross multiply
    137,806,432.71x = 206,514,656.14 × 76,422,591.51
  4. Step 4: Simplify right side
    137,806,432.71x = 15,782,385,207,015,334
  5. Step 5: Solve for x
    x = 15,782,385,207,015,334/137,806,432.71
  6. Step 6: Final answer
    x = 114,525,751.06

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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.