Home / 144,073,429.26-198,821,290.25-77,993,878.49

Finding the Fourth Proportional to 144,073,429.26, 198,821,290.25 and 77,993,878.49

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Solution

The fourth proportional to 144,073,429.26, 198,821,290.25 and 77,993,878.49 is: 107,631,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,429.26 : 198,821,290.25 = 77,993,878.49 : x
  2. Step 2: Convert to fraction form
    144,073,429.26/198,821,290.25 = 77,993,878.49/x
  3. Step 3: Cross multiply
    144,073,429.26x = 198,821,290.25 × 77,993,878.49
  4. Step 4: Simplify right side
    144,073,429.26x = 15,506,843,552,983,520
  5. Step 5: Solve for x
    x = 15,506,843,552,983,520/144,073,429.26
  6. Step 6: Final answer
    x = 107,631,529.51

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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.