Home / 199,657,604.86-299,492,508.45-68,498,040.52

Finding the Fourth Proportional to 199,657,604.86, 299,492,508.45 and 68,498,040.52

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Solution

The fourth proportional to 199,657,604.86, 299,492,508.45 and 68,498,040.52 is: 102,749,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,657,604.86 : 299,492,508.45 = 68,498,040.52 : x
  2. Step 2: Convert to fraction form
    199,657,604.86/299,492,508.45 = 68,498,040.52/x
  3. Step 3: Cross multiply
    199,657,604.86x = 299,492,508.45 × 68,498,040.52
  4. Step 4: Simplify right side
    199,657,604.86x = 20,514,649,979,244,540
  5. Step 5: Solve for x
    x = 20,514,649,979,244,540/199,657,604.86
  6. Step 6: Final answer
    x = 102,749,153.95

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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.