Home / 431,202,393.72-646,803,516.78-136,304,527.80

Finding the Fourth Proportional to 431,202,393.72, 646,803,516.78 and 136,304,527.80

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Solution

The fourth proportional to 431,202,393.72, 646,803,516.78 and 136,304,527.80 is: 204,456,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,202,393.72 : 646,803,516.78 = 136,304,527.80 : x
  2. Step 2: Convert to fraction form
    431,202,393.72/646,803,516.78 = 136,304,527.80/x
  3. Step 3: Cross multiply
    431,202,393.72x = 646,803,516.78 × 136,304,527.80
  4. Step 4: Simplify right side
    431,202,393.72x = 88,162,247,934,077,280
  5. Step 5: Solve for x
    x = 88,162,247,934,077,280/431,202,393.72
  6. Step 6: Final answer
    x = 204,456,768.37

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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.