Home / 179,990,284.80-248,385,807.36-100,605,241.92

Finding the Fourth Proportional to 179,990,284.80, 248,385,807.36 and 100,605,241.92

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Solution

The fourth proportional to 179,990,284.80, 248,385,807.36 and 100,605,241.92 is: 138,834,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,990,284.80 : 248,385,807.36 = 100,605,241.92 : x
  2. Step 2: Convert to fraction form
    179,990,284.80/248,385,807.36 = 100,605,241.92/x
  3. Step 3: Cross multiply
    179,990,284.80x = 248,385,807.36 × 100,605,241.92
  4. Step 4: Simplify right side
    179,990,284.80x = 24,988,914,238,947,320
  5. Step 5: Solve for x
    x = 24,988,914,238,947,320/179,990,284.80
  6. Step 6: Final answer
    x = 138,834,794.70

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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.