Home / 124,659,271.20-186,988,906.80-115,589,344.80

Finding the Fourth Proportional to 124,659,271.20, 186,988,906.80 and 115,589,344.80

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Solution

The fourth proportional to 124,659,271.20, 186,988,906.80 and 115,589,344.80 is: 173,384,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,271.20 : 186,988,906.80 = 115,589,344.80 : x
  2. Step 2: Convert to fraction form
    124,659,271.20/186,988,906.80 = 115,589,344.80/x
  3. Step 3: Cross multiply
    124,659,271.20x = 186,988,906.80 × 115,589,344.80
  4. Step 4: Simplify right side
    124,659,271.20x = 21,613,925,221,880,264
  5. Step 5: Solve for x
    x = 21,613,925,221,880,264/124,659,271.20
  6. Step 6: Final answer
    x = 173,384,017.20

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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.