Home / 74,024,200.30-111,036,300.45-71,898,436.30

Finding the Fourth Proportional to 74,024,200.30, 111,036,300.45 and 71,898,436.30

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Solution

The fourth proportional to 74,024,200.30, 111,036,300.45 and 71,898,436.30 is: 107,847,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024,200.30 : 111,036,300.45 = 71,898,436.30 : x
  2. Step 2: Convert to fraction form
    74,024,200.30/111,036,300.45 = 71,898,436.30/x
  3. Step 3: Cross multiply
    74,024,200.30x = 111,036,300.45 × 71,898,436.30
  4. Step 4: Simplify right side
    74,024,200.30x = 7,983,336,374,891,986
  5. Step 5: Solve for x
    x = 7,983,336,374,891,986/74,024,200.30
  6. Step 6: Final answer
    x = 107,847,654.45

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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.