Home / 76,703,132.80-105,849,694.24-41,895,845.20

Finding the Fourth Proportional to 76,703,132.80, 105,849,694.24 and 41,895,845.20

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Solution

The fourth proportional to 76,703,132.80, 105,849,694.24 and 41,895,845.20 is: 57,815,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,703,132.80 : 105,849,694.24 = 41,895,845.20 : x
  2. Step 2: Convert to fraction form
    76,703,132.80/105,849,694.24 = 41,895,845.20/x
  3. Step 3: Cross multiply
    76,703,132.80x = 105,849,694.24 × 41,895,845.20
  4. Step 4: Simplify right side
    76,703,132.80x = 4,434,662,404,346,371.50
  5. Step 5: Solve for x
    x = 4,434,662,404,346,371.50/76,703,132.80
  6. Step 6: Final answer
    x = 57,815,922.80

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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.