Home / 144,073,429.76-198,821,290.95-77,993,879.00

Finding the Fourth Proportional to 144,073,429.76, 198,821,290.95 and 77,993,879.00

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Solution

The fourth proportional to 144,073,429.76, 198,821,290.95 and 77,993,879.00 is: 107,631,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,429.76 : 198,821,290.95 = 77,993,879.00 : x
  2. Step 2: Convert to fraction form
    144,073,429.76/198,821,290.95 = 77,993,879.00/x
  3. Step 3: Cross multiply
    144,073,429.76x = 198,821,290.95 × 77,993,879.00
  4. Step 4: Simplify right side
    144,073,429.76x = 15,506,843,707,983,988
  5. Step 5: Solve for x
    x = 15,506,843,707,983,988/144,073,429.76
  6. Step 6: Final answer
    x = 107,631,530.22

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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.