Home / 157,882,957.07-217,867,420.16-91,798,766.97

Finding the Fourth Proportional to 157,882,957.07, 217,867,420.16 and 91,798,766.97

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Solution

The fourth proportional to 157,882,957.07, 217,867,420.16 and 91,798,766.97 is: 126,675,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,957.07 : 217,867,420.16 = 91,798,766.97 : x
  2. Step 2: Convert to fraction form
    157,882,957.07/217,867,420.16 = 91,798,766.97/x
  3. Step 3: Cross multiply
    157,882,957.07x = 217,867,420.16 × 91,798,766.97
  4. Step 4: Simplify right side
    157,882,957.07x = 19,999,960,533,163,928
  5. Step 5: Solve for x
    x = 19,999,960,533,163,928/157,882,957.07
  6. Step 6: Final answer
    x = 126,675,867.40

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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.