Home / 373,990,150.04-516,157,677.12-215,217,009.92

Finding the Fourth Proportional to 373,990,150.04, 516,157,677.12 and 215,217,009.92

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Solution

The fourth proportional to 373,990,150.04, 516,157,677.12 and 215,217,009.92 is: 297,028,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,990,150.04 : 516,157,677.12 = 215,217,009.92 : x
  2. Step 2: Convert to fraction form
    373,990,150.04/516,157,677.12 = 215,217,009.92/x
  3. Step 3: Cross multiply
    373,990,150.04x = 516,157,677.12 × 215,217,009.92
  4. Step 4: Simplify right side
    373,990,150.04x = 111,085,911,917,019,184
  5. Step 5: Solve for x
    x = 111,085,911,917,019,184/373,990,150.04
  6. Step 6: Final answer
    x = 297,028,977.65

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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.