Home / 48,499,243.80-72,776,859.30-18,210,168.60

Finding the Fourth Proportional to 48,499,243.80, 72,776,859.30 and 18,210,168.60

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Solution

The fourth proportional to 48,499,243.80, 72,776,859.30 and 18,210,168.60 is: 27,325,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499,243.80 : 72,776,859.30 = 18,210,168.60 : x
  2. Step 2: Convert to fraction form
    48,499,243.80/72,776,859.30 = 18,210,168.60/x
  3. Step 3: Cross multiply
    48,499,243.80x = 72,776,859.30 × 18,210,168.60
  4. Step 4: Simplify right side
    48,499,243.80x = 1,325,278,878,031,478
  5. Step 5: Solve for x
    x = 1,325,278,878,031,478/48,499,243.80
  6. Step 6: Final answer
    x = 27,325,763.75

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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.