Home / 139,008,947.41-207,285,261.30-137,761,265.11

Finding the Fourth Proportional to 139,008,947.41, 207,285,261.30 and 137,761,265.11

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Solution

The fourth proportional to 139,008,947.41, 207,285,261.30 and 137,761,265.11 is: 205,424,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,008,947.41 : 207,285,261.30 = 137,761,265.11 : x
  2. Step 2: Convert to fraction form
    139,008,947.41/207,285,261.30 = 137,761,265.11/x
  3. Step 3: Cross multiply
    139,008,947.41x = 207,285,261.30 × 137,761,265.11
  4. Step 4: Simplify right side
    139,008,947.41x = 28,555,879,834,826,708
  5. Step 5: Solve for x
    x = 28,555,879,834,826,708/139,008,947.41
  6. Step 6: Final answer
    x = 205,424,761.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.