Home / 433,077,242.80-649,356,434.16-137,844,839.92

Finding the Fourth Proportional to 433,077,242.80, 649,356,434.16 and 137,844,839.92

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Solution

The fourth proportional to 433,077,242.80, 649,356,434.16 and 137,844,839.92 is: 206,684,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,077,242.80 : 649,356,434.16 = 137,844,839.92 : x
  2. Step 2: Convert to fraction form
    433,077,242.80/649,356,434.16 = 137,844,839.92/x
  3. Step 3: Cross multiply
    433,077,242.80x = 649,356,434.16 × 137,844,839.92
  4. Step 4: Simplify right side
    433,077,242.80x = 89,510,433,717,807,200
  5. Step 5: Solve for x
    x = 89,510,433,717,807,200/433,077,242.80
  6. Step 6: Final answer
    x = 206,684,685.48

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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.