Home / 124,418,680.40-186,628,020.60-88,138,974.80

Finding the Fourth Proportional to 124,418,680.40, 186,628,020.60 and 88,138,974.80

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Solution

The fourth proportional to 124,418,680.40, 186,628,020.60 and 88,138,974.80 is: 132,208,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418,680.40 : 186,628,020.60 = 88,138,974.80 : x
  2. Step 2: Convert to fraction form
    124,418,680.40/186,628,020.60 = 88,138,974.80/x
  3. Step 3: Cross multiply
    124,418,680.40x = 186,628,020.60 × 88,138,974.80
  4. Step 4: Simplify right side
    124,418,680.40x = 16,449,202,404,637,280
  5. Step 5: Solve for x
    x = 16,449,202,404,637,280/124,418,680.40
  6. Step 6: Final answer
    x = 132,208,462.20

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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.