Home / 121,144,759.92-167,178,903.48-66,140,614.80

Finding the Fourth Proportional to 121,144,759.92, 167,178,903.48 and 66,140,614.80

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Solution

The fourth proportional to 121,144,759.92, 167,178,903.48 and 66,140,614.80 is: 91,273,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,144,759.92 : 167,178,903.48 = 66,140,614.80 : x
  2. Step 2: Convert to fraction form
    121,144,759.92/167,178,903.48 = 66,140,614.80/x
  3. Step 3: Cross multiply
    121,144,759.92x = 167,178,903.48 × 66,140,614.80
  4. Step 4: Simplify right side
    121,144,759.92x = 11,057,315,457,757,058
  5. Step 5: Solve for x
    x = 11,057,315,457,757,058/121,144,759.92
  6. Step 6: Final answer
    x = 91,273,576.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.