Home / 109,296,006.80-163,944,010.20-28,516,974.80

Finding the Fourth Proportional to 109,296,006.80, 163,944,010.20 and 28,516,974.80

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Solution

The fourth proportional to 109,296,006.80, 163,944,010.20 and 28,516,974.80 is: 42,775,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,296,006.80 : 163,944,010.20 = 28,516,974.80 : x
  2. Step 2: Convert to fraction form
    109,296,006.80/163,944,010.20 = 28,516,974.80/x
  3. Step 3: Cross multiply
    109,296,006.80x = 163,944,010.20 × 28,516,974.80
  4. Step 4: Simplify right side
    109,296,006.80x = 4,675,187,207,484,343
  5. Step 5: Solve for x
    x = 4,675,187,207,484,343/109,296,006.80
  6. Step 6: Final answer
    x = 42,775,462.20

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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.