Home / 48,407,999.80-72,611,999.70-18,111,926.20

Finding the Fourth Proportional to 48,407,999.80, 72,611,999.70 and 18,111,926.20

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Solution

The fourth proportional to 48,407,999.80, 72,611,999.70 and 18,111,926.20 is: 27,167,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,407,999.80 : 72,611,999.70 = 18,111,926.20 : x
  2. Step 2: Convert to fraction form
    48,407,999.80/72,611,999.70 = 18,111,926.20/x
  3. Step 3: Cross multiply
    48,407,999.80x = 72,611,999.70 × 18,111,926.20
  4. Step 4: Simplify right side
    48,407,999.80x = 1,315,143,179,800,822.25
  5. Step 5: Solve for x
    x = 1,315,143,179,800,822.25/48,407,999.80
  6. Step 6: Final answer
    x = 27,167,889.30

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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.