Home / 328,101,407.08-491,862,479.58-123,772,971.88

Finding the Fourth Proportional to 328,101,407.08, 491,862,479.58 and 123,772,971.88

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Solution

The fourth proportional to 328,101,407.08, 491,862,479.58 and 123,772,971.88 is: 185,550,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,101,407.08 : 491,862,479.58 = 123,772,971.88 : x
  2. Step 2: Convert to fraction form
    328,101,407.08/491,862,479.58 = 123,772,971.88/x
  3. Step 3: Cross multiply
    328,101,407.08x = 491,862,479.58 × 123,772,971.88
  4. Step 4: Simplify right side
    328,101,407.08x = 60,879,280,853,882,408
  5. Step 5: Solve for x
    x = 60,879,280,853,882,408/328,101,407.08
  6. Step 6: Final answer
    x = 185,550,197.41

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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.