Home / 42,093,016.80-63,139,525.20-19,418,200.80

Finding the Fourth Proportional to 42,093,016.80, 63,139,525.20 and 19,418,200.80

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Solution

The fourth proportional to 42,093,016.80, 63,139,525.20 and 19,418,200.80 is: 29,127,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,093,016.80 : 63,139,525.20 = 19,418,200.80 : x
  2. Step 2: Convert to fraction form
    42,093,016.80/63,139,525.20 = 19,418,200.80/x
  3. Step 3: Cross multiply
    42,093,016.80x = 63,139,525.20 × 19,418,200.80
  4. Step 4: Simplify right side
    42,093,016.80x = 1,226,055,978,750,260.25
  5. Step 5: Solve for x
    x = 1,226,055,978,750,260.25/42,093,016.80
  6. Step 6: Final answer
    x = 29,127,301.20

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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.