Home / 139,008,946.10-207,285,259.34-137,761,263.79

Finding the Fourth Proportional to 139,008,946.10, 207,285,259.34 and 137,761,263.79

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Solution

The fourth proportional to 139,008,946.10, 207,285,259.34 and 137,761,263.79 is: 205,424,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,008,946.10 : 207,285,259.34 = 137,761,263.79 : x
  2. Step 2: Convert to fraction form
    139,008,946.10/207,285,259.34 = 137,761,263.79/x
  3. Step 3: Cross multiply
    139,008,946.10x = 207,285,259.34 × 137,761,263.79
  4. Step 4: Simplify right side
    139,008,946.10x = 28,555,879,292,709,508
  5. Step 5: Solve for x
    x = 28,555,879,292,709,508/139,008,946.10
  6. Step 6: Final answer
    x = 205,424,759.30

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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.