Home / 94,122,012.60-140,805,105.30-81,482,902.20

Finding the Fourth Proportional to 94,122,012.60, 140,805,105.30 and 81,482,902.20

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Solution

The fourth proportional to 94,122,012.60, 140,805,105.30 and 81,482,902.20 is: 121,897,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,122,012.60 : 140,805,105.30 = 81,482,902.20 : x
  2. Step 2: Convert to fraction form
    94,122,012.60/140,805,105.30 = 81,482,902.20/x
  3. Step 3: Cross multiply
    94,122,012.60x = 140,805,105.30 × 81,482,902.20
  4. Step 4: Simplify right side
    94,122,012.60x = 11,473,208,624,420,604
  5. Step 5: Solve for x
    x = 11,473,208,624,420,604/94,122,012.60
  6. Step 6: Final answer
    x = 121,897,187.57

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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.