Home / 122,418,068.76-168,935,265.78-69,494,316.12

Finding the Fourth Proportional to 122,418,068.76, 168,935,265.78 and 69,494,316.12

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Solution

The fourth proportional to 122,418,068.76, 168,935,265.78 and 69,494,316.12 is: 95,901,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,418,068.76 : 168,935,265.78 = 69,494,316.12 : x
  2. Step 2: Convert to fraction form
    122,418,068.76/168,935,265.78 = 69,494,316.12/x
  3. Step 3: Cross multiply
    122,418,068.76x = 168,935,265.78 × 69,494,316.12
  4. Step 4: Simplify right side
    122,418,068.76x = 11,740,040,763,931,540
  5. Step 5: Solve for x
    x = 11,740,040,763,931,540/122,418,068.76
  6. Step 6: Final answer
    x = 95,901,208.73

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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.