Home / 272,524,388.88-376,034,048.26-153,428,460.78

Finding the Fourth Proportional to 272,524,388.88, 376,034,048.26 and 153,428,460.78

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Solution

The fourth proportional to 272,524,388.88, 376,034,048.26 and 153,428,460.78 is: 211,703,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,524,388.88 : 376,034,048.26 = 153,428,460.78 : x
  2. Step 2: Convert to fraction form
    272,524,388.88/376,034,048.26 = 153,428,460.78/x
  3. Step 3: Cross multiply
    272,524,388.88x = 376,034,048.26 × 153,428,460.78
  4. Step 4: Simplify right side
    272,524,388.88x = 57,694,325,225,404,040
  5. Step 5: Solve for x
    x = 57,694,325,225,404,040/272,524,388.88
  6. Step 6: Final answer
    x = 211,703,346.85

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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.