Home / 113,981,255.18-157,294,265.37-61,770,288.14

Finding the Fourth Proportional to 113,981,255.18, 157,294,265.37 and 61,770,288.14

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Solution

The fourth proportional to 113,981,255.18, 157,294,265.37 and 61,770,288.14 is: 85,243,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,981,255.18 : 157,294,265.37 = 61,770,288.14 : x
  2. Step 2: Convert to fraction form
    113,981,255.18/157,294,265.37 = 61,770,288.14/x
  3. Step 3: Cross multiply
    113,981,255.18x = 157,294,265.37 × 61,770,288.14
  4. Step 4: Simplify right side
    113,981,255.18x = 9,716,112,094,674,524
  5. Step 5: Solve for x
    x = 9,716,112,094,674,524/113,981,255.18
  6. Step 6: Final answer
    x = 85,243,069.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.