Home / 74,397,403.90-111,598,199.61-20,544,715.90

Finding the Fourth Proportional to 74,397,403.90, 111,598,199.61 and 20,544,715.90

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Solution

The fourth proportional to 74,397,403.90, 111,598,199.61 and 20,544,715.90 is: 30,817,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397,403.90 : 111,598,199.61 = 20,544,715.90 : x
  2. Step 2: Convert to fraction form
    74,397,403.90/111,598,199.61 = 20,544,715.90/x
  3. Step 3: Cross multiply
    74,397,403.90x = 111,598,199.61 × 20,544,715.90
  4. Step 4: Simplify right side
    74,397,403.90x = 2,292,753,305,938,940.50
  5. Step 5: Solve for x
    x = 2,292,753,305,938,940.50/74,397,403.90
  6. Step 6: Final answer
    x = 30,817,652.04

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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.