Home / 220,920,022.35-331,326,889.43-67,567,407.39

Finding the Fourth Proportional to 220,920,022.35, 331,326,889.43 and 67,567,407.39

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Solution

The fourth proportional to 220,920,022.35, 331,326,889.43 and 67,567,407.39 is: 101,334,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,920,022.35 : 331,326,889.43 = 67,567,407.39 : x
  2. Step 2: Convert to fraction form
    220,920,022.35/331,326,889.43 = 67,567,407.39/x
  3. Step 3: Cross multiply
    220,920,022.35x = 331,326,889.43 × 67,567,407.39
  4. Step 4: Simplify right side
    220,920,022.35x = 22,386,898,917,040,460
  5. Step 5: Solve for x
    x = 22,386,898,917,040,460/220,920,022.35
  6. Step 6: Final answer
    x = 101,334,857.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.