Home / 113,785,839.43-157,007,566.75-69,108,562.30

Finding the Fourth Proportional to 113,785,839.43, 157,007,566.75 and 69,108,562.30

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Solution

The fourth proportional to 113,785,839.43, 157,007,566.75 and 69,108,562.30 is: 95,359,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,785,839.43 : 157,007,566.75 = 69,108,562.30 : x
  2. Step 2: Convert to fraction form
    113,785,839.43/157,007,566.75 = 69,108,562.30/x
  3. Step 3: Cross multiply
    113,785,839.43x = 157,007,566.75 × 69,108,562.30
  4. Step 4: Simplify right side
    113,785,839.43x = 10,850,567,208,313,784
  5. Step 5: Solve for x
    x = 10,850,567,208,313,784/113,785,839.43
  6. Step 6: Final answer
    x = 95,359,556.71

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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.