Home / 257,867,632.33-386,801,568.27-82,990,641.74

Finding the Fourth Proportional to 257,867,632.33, 386,801,568.27 and 82,990,641.74

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Solution

The fourth proportional to 257,867,632.33, 386,801,568.27 and 82,990,641.74 is: 124,486,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,867,632.33 : 386,801,568.27 = 82,990,641.74 : x
  2. Step 2: Convert to fraction form
    257,867,632.33/386,801,568.27 = 82,990,641.74/x
  3. Step 3: Cross multiply
    257,867,632.33x = 386,801,568.27 × 82,990,641.74
  4. Step 4: Simplify right side
    257,867,632.33x = 32,100,910,374,831,712
  5. Step 5: Solve for x
    x = 32,100,910,374,831,712/257,867,632.33
  6. Step 6: Final answer
    x = 124,486,001.15

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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.