Home / 97,665,769.38-146,569,510.44-78,725,212.14

Finding the Fourth Proportional to 97,665,769.38, 146,569,510.44 and 78,725,212.14

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Solution

The fourth proportional to 97,665,769.38, 146,569,510.44 and 78,725,212.14 is: 118,144,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665,769.38 : 146,569,510.44 = 78,725,212.14 : x
  2. Step 2: Convert to fraction form
    97,665,769.38/146,569,510.44 = 78,725,212.14/x
  3. Step 3: Cross multiply
    97,665,769.38x = 146,569,510.44 × 78,725,212.14
  4. Step 4: Simplify right side
    97,665,769.38x = 11,538,715,802,644,944
  5. Step 5: Solve for x
    x = 11,538,715,802,644,944/97,665,769.38
  6. Step 6: Final answer
    x = 118,144,933.23

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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.