Home / 121,581,942.46-167,782,858.79-65,827,356.03

Finding the Fourth Proportional to 121,581,942.46, 167,782,858.79 and 65,827,356.03

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Solution

The fourth proportional to 121,581,942.46, 167,782,858.79 and 65,827,356.03 is: 90,841,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,581,942.46 : 167,782,858.79 = 65,827,356.03 : x
  2. Step 2: Convert to fraction form
    121,581,942.46/167,782,858.79 = 65,827,356.03/x
  3. Step 3: Cross multiply
    121,581,942.46x = 167,782,858.79 × 65,827,356.03
  4. Step 4: Simplify right side
    121,581,942.46x = 11,044,701,981,427,988
  5. Step 5: Solve for x
    x = 11,044,701,981,427,988/121,581,942.46
  6. Step 6: Final answer
    x = 90,841,631.23

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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.