Home / 131,394,290.13-181,263,851.33-84,999,505.41

Finding the Fourth Proportional to 131,394,290.13, 181,263,851.33 and 84,999,505.41

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Solution

The fourth proportional to 131,394,290.13, 181,263,851.33 and 84,999,505.41 is: 117,260,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,394,290.13 : 181,263,851.33 = 84,999,505.41 : x
  2. Step 2: Convert to fraction form
    131,394,290.13/181,263,851.33 = 84,999,505.41/x
  3. Step 3: Cross multiply
    131,394,290.13x = 181,263,851.33 × 84,999,505.41
  4. Step 4: Simplify right side
    131,394,290.13x = 15,407,337,711,336,772
  5. Step 5: Solve for x
    x = 15,407,337,711,336,772/131,394,290.13
  6. Step 6: Final answer
    x = 117,260,329.17

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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.