Home / 166,788,517.86-230,167,756.17-91,434,711.15

Finding the Fourth Proportional to 166,788,517.86, 230,167,756.17 and 91,434,711.15

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Solution

The fourth proportional to 166,788,517.86, 230,167,756.17 and 91,434,711.15 is: 126,179,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,788,517.86 : 230,167,756.17 = 91,434,711.15 : x
  2. Step 2: Convert to fraction form
    166,788,517.86/230,167,756.17 = 91,434,711.15/x
  3. Step 3: Cross multiply
    166,788,517.86x = 230,167,756.17 × 91,434,711.15
  4. Step 4: Simplify right side
    166,788,517.86x = 21,045,322,301,447,580
  5. Step 5: Solve for x
    x = 21,045,322,301,447,580/166,788,517.86
  6. Step 6: Final answer
    x = 126,179,682.94

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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.