Home / 101,910,916.37-152,715,209.04-74,852,302.61

Finding the Fourth Proportional to 101,910,916.37, 152,715,209.04 and 74,852,302.61

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Solution

The fourth proportional to 101,910,916.37, 152,715,209.04 and 74,852,302.61 is: 112,167,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910,916.37 : 152,715,209.04 = 74,852,302.61 : x
  2. Step 2: Convert to fraction form
    101,910,916.37/152,715,209.04 = 74,852,302.61/x
  3. Step 3: Cross multiply
    101,910,916.37x = 152,715,209.04 × 74,852,302.61
  4. Step 4: Simplify right side
    101,910,916.37x = 11,431,085,040,211,486
  5. Step 5: Solve for x
    x = 11,431,085,040,211,486/101,910,916.37
  6. Step 6: Final answer
    x = 112,167,424.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.