Home / 80,875,895.40-121,313,843.10-50,264,893.80

Finding the Fourth Proportional to 80,875,895.40, 121,313,843.10 and 50,264,893.80

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Solution

The fourth proportional to 80,875,895.40, 121,313,843.10 and 50,264,893.80 is: 75,397,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875,895.40 : 121,313,843.10 = 50,264,893.80 : x
  2. Step 2: Convert to fraction form
    80,875,895.40/121,313,843.10 = 50,264,893.80/x
  3. Step 3: Cross multiply
    80,875,895.40x = 121,313,843.10 × 50,264,893.80
  4. Step 4: Simplify right side
    80,875,895.40x = 6,097,827,439,891,362
  5. Step 5: Solve for x
    x = 6,097,827,439,891,362/80,875,895.40
  6. Step 6: Final answer
    x = 75,397,340.70

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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.