Home / 113,420,938.20-170,131,407.30-55,940,746.20

Finding the Fourth Proportional to 113,420,938.20, 170,131,407.30 and 55,940,746.20

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Solution

The fourth proportional to 113,420,938.20, 170,131,407.30 and 55,940,746.20 is: 83,911,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420,938.20 : 170,131,407.30 = 55,940,746.20 : x
  2. Step 2: Convert to fraction form
    113,420,938.20/170,131,407.30 = 55,940,746.20/x
  3. Step 3: Cross multiply
    113,420,938.20x = 170,131,407.30 × 55,940,746.20
  4. Step 4: Simplify right side
    113,420,938.20x = 9,517,277,876,418,128
  5. Step 5: Solve for x
    x = 9,517,277,876,418,128/113,420,938.20
  6. Step 6: Final answer
    x = 83,911,119.30

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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.