Home / 154,878,873.33-213,745,340.07-88,805,519.10

Finding the Fourth Proportional to 154,878,873.33, 213,745,340.07 and 88,805,519.10

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Solution

The fourth proportional to 154,878,873.33, 213,745,340.07 and 88,805,519.10 is: 122,558,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,878,873.33 : 213,745,340.07 = 88,805,519.10 : x
  2. Step 2: Convert to fraction form
    154,878,873.33/213,745,340.07 = 88,805,519.10/x
  3. Step 3: Cross multiply
    154,878,873.33x = 213,745,340.07 × 88,805,519.10
  4. Step 4: Simplify right side
    154,878,873.33x = 18,981,765,880,122,380
  5. Step 5: Solve for x
    x = 18,981,765,880,122,380/154,878,873.33
  6. Step 6: Final answer
    x = 122,558,780.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.