Home / 157,882,955.57-217,867,418.09-91,798,765.47

Finding the Fourth Proportional to 157,882,955.57, 217,867,418.09 and 91,798,765.47

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Solution

The fourth proportional to 157,882,955.57, 217,867,418.09 and 91,798,765.47 is: 126,675,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,955.57 : 217,867,418.09 = 91,798,765.47 : x
  2. Step 2: Convert to fraction form
    157,882,955.57/217,867,418.09 = 91,798,765.47/x
  3. Step 3: Cross multiply
    157,882,955.57x = 217,867,418.09 × 91,798,765.47
  4. Step 4: Simplify right side
    157,882,955.57x = 19,999,960,016,683,596
  5. Step 5: Solve for x
    x = 19,999,960,016,683,596/157,882,955.57
  6. Step 6: Final answer
    x = 126,675,865.32

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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.