Home / 157,882,956.69-217,867,419.64-91,798,766.60

Finding the Fourth Proportional to 157,882,956.69, 217,867,419.64 and 91,798,766.60

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Solution

The fourth proportional to 157,882,956.69, 217,867,419.64 and 91,798,766.60 is: 126,675,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,956.69 : 217,867,419.64 = 91,798,766.60 : x
  2. Step 2: Convert to fraction form
    157,882,956.69/217,867,419.64 = 91,798,766.60/x
  3. Step 3: Cross multiply
    157,882,956.69x = 217,867,419.64 × 91,798,766.60
  4. Step 4: Simplify right side
    157,882,956.69x = 19,999,960,404,302,028
  5. Step 5: Solve for x
    x = 19,999,960,404,302,028/157,882,956.69
  6. Step 6: Final answer
    x = 126,675,866.88

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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.