Home / 373,990,136.04-516,157,657.80-215,216,995.92

Finding the Fourth Proportional to 373,990,136.04, 516,157,657.80 and 215,216,995.92

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Solution

The fourth proportional to 373,990,136.04, 516,157,657.80 and 215,216,995.92 is: 297,028,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,990,136.04 : 516,157,657.80 = 215,216,995.92 : x
  2. Step 2: Convert to fraction form
    373,990,136.04/516,157,657.80 = 215,216,995.92/x
  3. Step 3: Cross multiply
    373,990,136.04x = 516,157,657.80 × 215,216,995.92
  4. Step 4: Simplify right side
    373,990,136.04x = 111,085,900,532,819,344
  5. Step 5: Solve for x
    x = 111,085,900,532,819,344/373,990,136.04
  6. Step 6: Final answer
    x = 297,028,958.33

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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.