Home / 144,010,204.39-198,712,703.54-87,465,525.53

Finding the Fourth Proportional to 144,010,204.39, 198,712,703.54 and 87,465,525.53

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Solution

The fourth proportional to 144,010,204.39, 198,712,703.54 and 87,465,525.53 is: 120,689,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,204.39 : 198,712,703.54 = 87,465,525.53 : x
  2. Step 2: Convert to fraction form
    144,010,204.39/198,712,703.54 = 87,465,525.53/x
  3. Step 3: Cross multiply
    144,010,204.39x = 198,712,703.54 × 87,465,525.53
  4. Step 4: Simplify right side
    144,010,204.39x = 17,380,511,044,613,190
  5. Step 5: Solve for x
    x = 17,380,511,044,613,190/144,010,204.39
  6. Step 6: Final answer
    x = 120,689,440.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.