Home / 138,943,821.50-208,152,665.31-92,746,391.66

Finding the Fourth Proportional to 138,943,821.50, 208,152,665.31 and 92,746,391.66

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Solution

The fourth proportional to 138,943,821.50, 208,152,665.31 and 92,746,391.66 is: 138,943,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,943,821.50 : 208,152,665.31 = 92,746,391.66 : x
  2. Step 2: Convert to fraction form
    138,943,821.50/208,152,665.31 = 92,746,391.66/x
  3. Step 3: Cross multiply
    138,943,821.50x = 208,152,665.31 × 92,746,391.66
  4. Step 4: Simplify right side
    138,943,821.50x = 19,305,408,622,434,536
  5. Step 5: Solve for x
    x = 19,305,408,622,434,536/138,943,821.50
  6. Step 6: Final answer
    x = 138,943,987.68

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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.