Home / 91,946,151.81-138,008,983.28-75,935,212.29

Finding the Fourth Proportional to 91,946,151.81, 138,008,983.28 and 75,935,212.29

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Solution

The fourth proportional to 91,946,151.81, 138,008,983.28 and 75,935,212.29 is: 113,976,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946,151.81 : 138,008,983.28 = 75,935,212.29 : x
  2. Step 2: Convert to fraction form
    91,946,151.81/138,008,983.28 = 75,935,212.29/x
  3. Step 3: Cross multiply
    91,946,151.81x = 138,008,983.28 × 75,935,212.29
  4. Step 4: Simplify right side
    91,946,151.81x = 10,479,741,442,914,186
  5. Step 5: Solve for x
    x = 10,479,741,442,914,186/91,946,151.81
  6. Step 6: Final answer
    x = 113,976,944.51

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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.