Home / 168,068,424.80-252,102,637.20-99,876,015.20

Finding the Fourth Proportional to 168,068,424.80, 252,102,637.20 and 99,876,015.20

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Solution

The fourth proportional to 168,068,424.80, 252,102,637.20 and 99,876,015.20 is: 149,814,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068,424.80 : 252,102,637.20 = 99,876,015.20 : x
  2. Step 2: Convert to fraction form
    168,068,424.80/252,102,637.20 = 99,876,015.20/x
  3. Step 3: Cross multiply
    168,068,424.80x = 252,102,637.20 × 99,876,015.20
  4. Step 4: Simplify right side
    168,068,424.80x = 25,179,006,824,947,284
  5. Step 5: Solve for x
    x = 25,179,006,824,947,284/168,068,424.80
  6. Step 6: Final answer
    x = 149,814,022.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.