Home / 143,834,446.30-198,545,514.15-94,278,013.60

Finding the Fourth Proportional to 143,834,446.30, 198,545,514.15 and 94,278,013.60

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Solution

The fourth proportional to 143,834,446.30, 198,545,514.15 and 94,278,013.60 is: 130,139,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834,446.30 : 198,545,514.15 = 94,278,013.60 : x
  2. Step 2: Convert to fraction form
    143,834,446.30/198,545,514.15 = 94,278,013.60/x
  3. Step 3: Cross multiply
    143,834,446.30x = 198,545,514.15 × 94,278,013.60
  4. Step 4: Simplify right side
    143,834,446.30x = 18,718,476,682,756,328
  5. Step 5: Solve for x
    x = 18,718,476,682,756,328/143,834,446.30
  6. Step 6: Final answer
    x = 130,139,039.46

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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.