Home / 99,143,654,799.69-148,744,659,794.61-31,989,640,063.26

Finding the Fourth Proportional to 99,143,654,799.69, 148,744,659,794.61 and 31,989,640,063.26

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Solution

The fourth proportional to 99,143,654,799.69, 148,744,659,794.61 and 31,989,640,063.26 is: 47,993,874,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,654,799.69 : 148,744,659,794.61 = 31,989,640,063.26 : x
  2. Step 2: Convert to fraction form
    99,143,654,799.69/148,744,659,794.61 = 31,989,640,063.26/x
  3. Step 3: Cross multiply
    99,143,654,799.69x = 148,744,659,794.61 × 31,989,640,063.26
  4. Step 4: Simplify right side
    99,143,654,799.69x = 4,758,288,128,161,633,796,096
  5. Step 5: Solve for x
    x = 4,758,288,128,161,633,796,096/99,143,654,799.69
  6. Step 6: Final answer
    x = 47,993,874,522.53

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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.