Home / 373,990,057.68-516,157,549.76-215,216,917.68

Finding the Fourth Proportional to 373,990,057.68, 516,157,549.76 and 215,216,917.68

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Solution

The fourth proportional to 373,990,057.68, 516,157,549.76 and 215,216,917.68 is: 297,028,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,990,057.68 : 516,157,549.76 = 215,216,917.68 : x
  2. Step 2: Convert to fraction form
    373,990,057.68/516,157,549.76 = 215,216,917.68/x
  3. Step 3: Cross multiply
    373,990,057.68x = 516,157,549.76 × 215,216,917.68
  4. Step 4: Simplify right side
    373,990,057.68x = 111,085,836,896,608,432
  5. Step 5: Solve for x
    x = 111,085,836,896,608,432/373,990,057.68
  6. Step 6: Final answer
    x = 297,028,850.41

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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.