Home / 91,981,419.96-138,008,937.18-37,398,201.06

Finding the Fourth Proportional to 91,981,419.96, 138,008,937.18 and 37,398,201.06

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Solution

The fourth proportional to 91,981,419.96, 138,008,937.18 and 37,398,201.06 is: 56,112,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,981,419.96 : 138,008,937.18 = 37,398,201.06 : x
  2. Step 2: Convert to fraction form
    91,981,419.96/138,008,937.18 = 37,398,201.06/x
  3. Step 3: Cross multiply
    91,981,419.96x = 138,008,937.18 × 37,398,201.06
  4. Step 4: Simplify right side
    91,981,419.96x = 5,161,285,980,734,550
  5. Step 5: Solve for x
    x = 5,161,285,980,734,550/91,981,419.96
  6. Step 6: Final answer
    x = 56,112,266.84

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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.