Home / 144,049,604.48-198,788,448.48-78,859,508.48

Finding the Fourth Proportional to 144,049,604.48, 198,788,448.48 and 78,859,508.48

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Solution

The fourth proportional to 144,049,604.48, 198,788,448.48 and 78,859,508.48 is: 108,826,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049,604.48 : 198,788,448.48 = 78,859,508.48 : x
  2. Step 2: Convert to fraction form
    144,049,604.48/198,788,448.48 = 78,859,508.48/x
  3. Step 3: Cross multiply
    144,049,604.48x = 198,788,448.48 × 78,859,508.48
  4. Step 4: Simplify right side
    144,049,604.48x = 15,676,359,338,634,604
  5. Step 5: Solve for x
    x = 15,676,359,338,634,604/144,049,604.48
  6. Step 6: Final answer
    x = 108,826,118.58

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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.