Home / 66,180,073.73-99,275,667.20-20,122,342.73

Finding the Fourth Proportional to 66,180,073.73, 99,275,667.20 and 20,122,342.73

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Solution

The fourth proportional to 66,180,073.73, 99,275,667.20 and 20,122,342.73 is: 30,185,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180,073.73 : 99,275,667.20 = 20,122,342.73 : x
  2. Step 2: Convert to fraction form
    66,180,073.73/99,275,667.20 = 20,122,342.73/x
  3. Step 3: Cross multiply
    66,180,073.73x = 99,275,667.20 × 20,122,342.73
  4. Step 4: Simplify right side
    66,180,073.73x = 1,997,659,000,047,207.75
  5. Step 5: Solve for x
    x = 1,997,659,000,047,207.75/66,180,073.73
  6. Step 6: Final answer
    x = 30,185,203.60

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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.