Home / 157,387,438.50-235,589,871.78-115,935,040.50

Finding the Fourth Proportional to 157,387,438.50, 235,589,871.78 and 115,935,040.50

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Solution

The fourth proportional to 157,387,438.50, 235,589,871.78 and 115,935,040.50 is: 173,540,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,387,438.50 : 235,589,871.78 = 115,935,040.50 : x
  2. Step 2: Convert to fraction form
    157,387,438.50/235,589,871.78 = 115,935,040.50/x
  3. Step 3: Cross multiply
    157,387,438.50x = 235,589,871.78 × 115,935,040.50
  4. Step 4: Simplify right side
    157,387,438.50x = 27,313,121,326,204,108
  5. Step 5: Solve for x
    x = 27,313,121,326,204,108/157,387,438.50
  6. Step 6: Final answer
    x = 173,540,668.72

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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.