Home / 319,538,143.35-479,019,442.28-114,922,335.87

Finding the Fourth Proportional to 319,538,143.35, 479,019,442.28 and 114,922,335.87

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Solution

The fourth proportional to 319,538,143.35, 479,019,442.28 and 114,922,335.87 is: 172,280,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,538,143.35 : 479,019,442.28 = 114,922,335.87 : x
  2. Step 2: Convert to fraction form
    319,538,143.35/479,019,442.28 = 114,922,335.87/x
  3. Step 3: Cross multiply
    319,538,143.35x = 479,019,442.28 × 114,922,335.87
  4. Step 4: Simplify right side
    319,538,143.35x = 55,050,033,233,387,624
  5. Step 5: Solve for x
    x = 55,050,033,233,387,624/319,538,143.35
  6. Step 6: Final answer
    x = 172,280,005.94

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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.