Home / 102,114,939.49-152,375,971.81-91,109,474.56

Finding the Fourth Proportional to 102,114,939.49, 152,375,971.81 and 91,109,474.56

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Solution

The fourth proportional to 102,114,939.49, 152,375,971.81 and 91,109,474.56 is: 135,953,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,114,939.49 : 152,375,971.81 = 91,109,474.56 : x
  2. Step 2: Convert to fraction form
    102,114,939.49/152,375,971.81 = 91,109,474.56/x
  3. Step 3: Cross multiply
    102,114,939.49x = 152,375,971.81 × 91,109,474.56
  4. Step 4: Simplify right side
    102,114,939.49x = 13,882,894,727,178,472
  5. Step 5: Solve for x
    x = 13,882,894,727,178,472/102,114,939.49
  6. Step 6: Final answer
    x = 135,953,610.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.