Home / 66,305,233.20-99,457,849.80-20,867,027.70

Finding the Fourth Proportional to 66,305,233.20, 99,457,849.80 and 20,867,027.70

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Solution

The fourth proportional to 66,305,233.20, 99,457,849.80 and 20,867,027.70 is: 31,300,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305,233.20 : 99,457,849.80 = 20,867,027.70 : x
  2. Step 2: Convert to fraction form
    66,305,233.20/99,457,849.80 = 20,867,027.70/x
  3. Step 3: Cross multiply
    66,305,233.20x = 99,457,849.80 × 20,867,027.70
  4. Step 4: Simplify right side
    66,305,233.20x = 2,075,389,706,759,039.25
  5. Step 5: Solve for x
    x = 2,075,389,706,759,039.25/66,305,233.20
  6. Step 6: Final answer
    x = 31,300,541.55

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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.