Home / 102,114,939.99-152,375,972.55-91,109,475.06

Finding the Fourth Proportional to 102,114,939.99, 152,375,972.55 and 91,109,475.06

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Solution

The fourth proportional to 102,114,939.99, 152,375,972.55 and 91,109,475.06 is: 135,953,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,114,939.99 : 152,375,972.55 = 91,109,475.06 : x
  2. Step 2: Convert to fraction form
    102,114,939.99/152,375,972.55 = 91,109,475.06/x
  3. Step 3: Cross multiply
    102,114,939.99x = 152,375,972.55 × 91,109,475.06
  4. Step 4: Simplify right side
    102,114,939.99x = 13,882,894,870,787,472
  5. Step 5: Solve for x
    x = 13,882,894,870,787,472/102,114,939.99
  6. Step 6: Final answer
    x = 135,953,611.41

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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.