Home / 66,180,077.98-99,275,673.57-20,122,346.98

Finding the Fourth Proportional to 66,180,077.98, 99,275,673.57 and 20,122,346.98

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Solution

The fourth proportional to 66,180,077.98, 99,275,673.57 and 20,122,346.98 is: 30,185,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180,077.98 : 99,275,673.57 = 20,122,346.98 : x
  2. Step 2: Convert to fraction form
    66,180,077.98/99,275,673.57 = 20,122,346.98/x
  3. Step 3: Cross multiply
    66,180,077.98x = 99,275,673.57 × 20,122,346.98
  4. Step 4: Simplify right side
    66,180,077.98x = 1,997,659,550,248,755.25
  5. Step 5: Solve for x
    x = 1,997,659,550,248,755.25/66,180,077.98
  6. Step 6: Final answer
    x = 30,185,209.98

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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.