Home / 151,080,039.92-207,986,808.40-144,138,756.16

Finding the Fourth Proportional to 151,080,039.92, 207,986,808.40 and 144,138,756.16

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Solution

The fourth proportional to 151,080,039.92, 207,986,808.40 and 144,138,756.16 is: 198,430,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,080,039.92 : 207,986,808.40 = 144,138,756.16 : x
  2. Step 2: Convert to fraction form
    151,080,039.92/207,986,808.40 = 144,138,756.16/x
  3. Step 3: Cross multiply
    151,080,039.92x = 207,986,808.40 × 144,138,756.16
  4. Step 4: Simplify right side
    151,080,039.92x = 29,978,959,859,583,928
  5. Step 5: Solve for x
    x = 29,978,959,859,583,928/151,080,039.92
  6. Step 6: Final answer
    x = 198,430,976.55

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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.