Home / 272,055,206.90-375,317,959.10-172,882,854.28

Finding the Fourth Proportional to 272,055,206.90, 375,317,959.10 and 172,882,854.28

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Solution

The fourth proportional to 272,055,206.90, 375,317,959.10 and 172,882,854.28 is: 238,503,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,055,206.90 : 375,317,959.10 = 172,882,854.28 : x
  2. Step 2: Convert to fraction form
    272,055,206.90/375,317,959.10 = 172,882,854.28/x
  3. Step 3: Cross multiply
    272,055,206.90x = 375,317,959.10 × 172,882,854.28
  4. Step 4: Simplify right side
    272,055,206.90x = 64,886,040,031,752,304
  5. Step 5: Solve for x
    x = 64,886,040,031,752,304/272,055,206.90
  6. Step 6: Final answer
    x = 238,503,209.59

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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.