Home / 268,023,416.47-401,920,864.89-101,998,590.86

Finding the Fourth Proportional to 268,023,416.47, 401,920,864.89 and 101,998,590.86

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Solution

The fourth proportional to 268,023,416.47, 401,920,864.89 and 101,998,590.86 is: 152,954,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,023,416.47 : 401,920,864.89 = 101,998,590.86 : x
  2. Step 2: Convert to fraction form
    268,023,416.47/401,920,864.89 = 101,998,590.86/x
  3. Step 3: Cross multiply
    268,023,416.47x = 401,920,864.89 × 101,998,590.86
  4. Step 4: Simplify right side
    268,023,416.47x = 40,995,361,856,635,776
  5. Step 5: Solve for x
    x = 40,995,361,856,635,776/268,023,416.47
  6. Step 6: Final answer
    x = 152,954,403.75

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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.