Home / 121,446,740.40-167,598,391.32-66,443,515.44

Finding the Fourth Proportional to 121,446,740.40, 167,598,391.32 and 66,443,515.44

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Solution

The fourth proportional to 121,446,740.40, 167,598,391.32 and 66,443,515.44 is: 91,693,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,446,740.40 : 167,598,391.32 = 66,443,515.44 : x
  2. Step 2: Convert to fraction form
    121,446,740.40/167,598,391.32 = 66,443,515.44/x
  3. Step 3: Cross multiply
    121,446,740.40x = 167,598,391.32 × 66,443,515.44
  4. Step 4: Simplify right side
    121,446,740.40x = 11,135,826,301,389,582
  5. Step 5: Solve for x
    x = 11,135,826,301,389,582/121,446,740.40
  6. Step 6: Final answer
    x = 91,693,085.09

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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.