Home / 121,244,461.30-167,317,423.73-65,489,881.46

Finding the Fourth Proportional to 121,244,461.30, 167,317,423.73 and 65,489,881.46

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Solution

The fourth proportional to 121,244,461.30, 167,317,423.73 and 65,489,881.46 is: 90,376,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,461.30 : 167,317,423.73 = 65,489,881.46 : x
  2. Step 2: Convert to fraction form
    121,244,461.30/167,317,423.73 = 65,489,881.46/x
  3. Step 3: Cross multiply
    121,244,461.30x = 167,317,423.73 × 65,489,881.46
  4. Step 4: Simplify right side
    121,244,461.30x = 10,957,598,245,515,566
  5. Step 5: Solve for x
    x = 10,957,598,245,515,566/121,244,461.30
  6. Step 6: Final answer
    x = 90,376,072.67

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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.