Home / 101,910,918.62-152,715,212.42-74,852,304.86

Finding the Fourth Proportional to 101,910,918.62, 152,715,212.42 and 74,852,304.86

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Solution

The fourth proportional to 101,910,918.62, 152,715,212.42 and 74,852,304.86 is: 112,167,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910,918.62 : 152,715,212.42 = 74,852,304.86 : x
  2. Step 2: Convert to fraction form
    101,910,918.62/152,715,212.42 = 74,852,304.86/x
  3. Step 3: Cross multiply
    101,910,918.62x = 152,715,212.42 × 74,852,304.86
  4. Step 4: Simplify right side
    101,910,918.62x = 11,431,085,636,821,498
  5. Step 5: Solve for x
    x = 11,431,085,636,821,498/101,910,918.62
  6. Step 6: Final answer
    x = 112,167,428.10

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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.