Home / 198,971,335.78-298,510,737.95-60,793,175.06

Finding the Fourth Proportional to 198,971,335.78, 298,510,737.95 and 60,793,175.06

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Solution

The fourth proportional to 198,971,335.78, 298,510,737.95 and 60,793,175.06 is: 91,206,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,971,335.78 : 298,510,737.95 = 60,793,175.06 : x
  2. Step 2: Convert to fraction form
    198,971,335.78/298,510,737.95 = 60,793,175.06/x
  3. Step 3: Cross multiply
    198,971,335.78x = 298,510,737.95 × 60,793,175.06
  4. Step 4: Simplify right side
    198,971,335.78x = 18,147,415,549,262,980
  5. Step 5: Solve for x
    x = 18,147,415,549,262,980/198,971,335.78
  6. Step 6: Final answer
    x = 91,206,180.42

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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.