Home / 220,838,052-304,755,147.72-120,366,375.32

Finding the Fourth Proportional to 220,838,052, 304,755,147.72 and 120,366,375.32

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Solution

The fourth proportional to 220,838,052, 304,755,147.72 and 120,366,375.32 is: 166,104,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,838,052 : 304,755,147.72 = 120,366,375.32 : x
  2. Step 2: Convert to fraction form
    220,838,052/304,755,147.72 = 120,366,375.32/x
  3. Step 3: Cross multiply
    220,838,052x = 304,755,147.72 × 120,366,375.32
  4. Step 4: Simplify right side
    220,838,052x = 36,682,272,491,167,560
  5. Step 5: Solve for x
    x = 36,682,272,491,167,560/220,838,052
  6. Step 6: Final answer
    x = 166,104,854.48

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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.