Home / 144,073,430.49-198,821,291.97-77,993,879.73

Finding the Fourth Proportional to 144,073,430.49, 198,821,291.97 and 77,993,879.73

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Solution

The fourth proportional to 144,073,430.49, 198,821,291.97 and 77,993,879.73 is: 107,631,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,430.49 : 198,821,291.97 = 77,993,879.73 : x
  2. Step 2: Convert to fraction form
    144,073,430.49/198,821,291.97 = 77,993,879.73/x
  3. Step 3: Cross multiply
    144,073,430.49x = 198,821,291.97 × 77,993,879.73
  4. Step 4: Simplify right side
    144,073,430.49x = 15,506,843,933,671,396
  5. Step 5: Solve for x
    x = 15,506,843,933,671,396/144,073,430.49
  6. Step 6: Final answer
    x = 107,631,531.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.