Home / 112,360,542.78-154,995,466.23-91,475,042.70

Finding the Fourth Proportional to 112,360,542.78, 154,995,466.23 and 91,475,042.70

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Solution

The fourth proportional to 112,360,542.78, 154,995,466.23 and 91,475,042.70 is: 126,185,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360,542.78 : 154,995,466.23 = 91,475,042.70 : x
  2. Step 2: Convert to fraction form
    112,360,542.78/154,995,466.23 = 91,475,042.70/x
  3. Step 3: Cross multiply
    112,360,542.78x = 154,995,466.23 × 91,475,042.70
  4. Step 4: Simplify right side
    112,360,542.78x = 14,178,216,891,695,658
  5. Step 5: Solve for x
    x = 14,178,216,891,695,658/112,360,542.78
  6. Step 6: Final answer
    x = 126,185,016.03

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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.