Home / 139,344,504.18-192,287,885.49-77,460,452.34

Finding the Fourth Proportional to 139,344,504.18, 192,287,885.49 and 77,460,452.34

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Solution

The fourth proportional to 139,344,504.18, 192,287,885.49 and 77,460,452.34 is: 106,891,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,344,504.18 : 192,287,885.49 = 77,460,452.34 : x
  2. Step 2: Convert to fraction form
    139,344,504.18/192,287,885.49 = 77,460,452.34/x
  3. Step 3: Cross multiply
    139,344,504.18x = 192,287,885.49 × 77,460,452.34
  4. Step 4: Simplify right side
    139,344,504.18x = 14,894,706,589,557,524
  5. Step 5: Solve for x
    x = 14,894,706,589,557,524/139,344,504.18
  6. Step 6: Final answer
    x = 106,891,238.21

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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.