Home / 123,210,447.94-170,031,761.85-68,207,222.98

Finding the Fourth Proportional to 123,210,447.94, 170,031,761.85 and 68,207,222.98

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Solution

The fourth proportional to 123,210,447.94, 170,031,761.85 and 68,207,222.98 is: 94,126,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210,447.94 : 170,031,761.85 = 68,207,222.98 : x
  2. Step 2: Convert to fraction form
    123,210,447.94/170,031,761.85 = 68,207,222.98/x
  3. Step 3: Cross multiply
    123,210,447.94x = 170,031,761.85 × 68,207,222.98
  4. Step 4: Simplify right side
    123,210,447.94x = 11,597,394,294,185,208
  5. Step 5: Solve for x
    x = 11,597,394,294,185,208/123,210,447.94
  6. Step 6: Final answer
    x = 94,126,711.56

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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.