Home / 112,315,715.10-168,505,065.45-47,650,499.10

Finding the Fourth Proportional to 112,315,715.10, 168,505,065.45 and 47,650,499.10

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Solution

The fourth proportional to 112,315,715.10, 168,505,065.45 and 47,650,499.10 is: 71,489,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315,715.10 : 168,505,065.45 = 47,650,499.10 : x
  2. Step 2: Convert to fraction form
    112,315,715.10/168,505,065.45 = 47,650,499.10/x
  3. Step 3: Cross multiply
    112,315,715.10x = 168,505,065.45 × 47,650,499.10
  4. Step 4: Simplify right side
    112,315,715.10x = 8,029,350,469,570,666
  5. Step 5: Solve for x
    x = 8,029,350,469,570,666/112,315,715.10
  6. Step 6: Final answer
    x = 71,489,109.63

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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.