Home / 144,073,976.93-198,822,152.34-77,994,473.06

Finding the Fourth Proportional to 144,073,976.93, 198,822,152.34 and 77,994,473.06

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Solution

The fourth proportional to 144,073,976.93, 198,822,152.34 and 77,994,473.06 is: 107,632,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,976.93 : 198,822,152.34 = 77,994,473.06 : x
  2. Step 2: Convert to fraction form
    144,073,976.93/198,822,152.34 = 77,994,473.06/x
  3. Step 3: Cross multiply
    144,073,976.93x = 198,822,152.34 × 77,994,473.06
  4. Step 4: Simplify right side
    144,073,976.93x = 15,507,029,003,419,236
  5. Step 5: Solve for x
    x = 15,507,029,003,419,236/144,073,976.93
  6. Step 6: Final answer
    x = 107,632,407.56

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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.