Home / 372,720,527.42-514,350,136.80-203,171,049.65

Finding the Fourth Proportional to 372,720,527.42, 514,350,136.80 and 203,171,049.65

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Solution

The fourth proportional to 372,720,527.42, 514,350,136.80 and 203,171,049.65 is: 280,373,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,720,527.42 : 514,350,136.80 = 203,171,049.65 : x
  2. Step 2: Convert to fraction form
    372,720,527.42/514,350,136.80 = 203,171,049.65/x
  3. Step 3: Cross multiply
    372,720,527.42x = 514,350,136.80 × 203,171,049.65
  4. Step 4: Simplify right side
    372,720,527.42x = 104,501,057,178,705,344
  5. Step 5: Solve for x
    x = 104,501,057,178,705,344/372,720,527.42
  6. Step 6: Final answer
    x = 280,373,763.97

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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.