Home / 91,981,409.24-138,008,921.06-37,398,190.34

Finding the Fourth Proportional to 91,981,409.24, 138,008,921.06 and 37,398,190.34

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Solution

The fourth proportional to 91,981,409.24, 138,008,921.06 and 37,398,190.34 is: 56,112,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,981,409.24 : 138,008,921.06 = 37,398,190.34 : x
  2. Step 2: Convert to fraction form
    91,981,409.24/138,008,921.06 = 37,398,190.34/x
  3. Step 3: Cross multiply
    91,981,409.24x = 138,008,921.06 × 37,398,190.34
  4. Step 4: Simplify right side
    91,981,409.24x = 5,161,283,898,419,915
  5. Step 5: Solve for x
    x = 5,161,283,898,419,915/91,981,409.24
  6. Step 6: Final answer
    x = 56,112,250.74

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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.