Home / 80,861,145.88-121,257,193.38-46,805,998.36

Finding the Fourth Proportional to 80,861,145.88, 121,257,193.38 and 46,805,998.36

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Solution

The fourth proportional to 80,861,145.88, 121,257,193.38 and 46,805,998.36 is: 70,189,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,861,145.88 : 121,257,193.38 = 46,805,998.36 : x
  2. Step 2: Convert to fraction form
    80,861,145.88/121,257,193.38 = 46,805,998.36/x
  3. Step 3: Cross multiply
    80,861,145.88x = 121,257,193.38 × 46,805,998.36
  4. Step 4: Simplify right side
    80,861,145.88x = 5,675,563,994,482,483
  5. Step 5: Solve for x
    x = 5,675,563,994,482,483/80,861,145.88
  6. Step 6: Final answer
    x = 70,189,012.69

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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.