Home / 272,524,386.88-376,034,045.50-153,428,458.78

Finding the Fourth Proportional to 272,524,386.88, 376,034,045.50 and 153,428,458.78

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Solution

The fourth proportional to 272,524,386.88, 376,034,045.50 and 153,428,458.78 is: 211,703,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,524,386.88 : 376,034,045.50 = 153,428,458.78 : x
  2. Step 2: Convert to fraction form
    272,524,386.88/376,034,045.50 = 153,428,458.78/x
  3. Step 3: Cross multiply
    272,524,386.88x = 376,034,045.50 × 153,428,458.78
  4. Step 4: Simplify right side
    272,524,386.88x = 57,694,324,049,873,392
  5. Step 5: Solve for x
    x = 57,694,324,049,873,392/272,524,386.88
  6. Step 6: Final answer
    x = 211,703,344.09

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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.