Home / 80,863,694.79-111,645,763.95-47,834,554.62

Finding the Fourth Proportional to 80,863,694.79, 111,645,763.95 and 47,834,554.62

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Solution

The fourth proportional to 80,863,694.79, 111,645,763.95 and 47,834,554.62 is: 66,043,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,694.79 : 111,645,763.95 = 47,834,554.62 : x
  2. Step 2: Convert to fraction form
    80,863,694.79/111,645,763.95 = 47,834,554.62/x
  3. Step 3: Cross multiply
    80,863,694.79x = 111,645,763.95 × 47,834,554.62
  4. Step 4: Simplify right side
    80,863,694.79x = 5,340,525,393,757,902
  5. Step 5: Solve for x
    x = 5,340,525,393,757,902/80,863,694.79
  6. Step 6: Final answer
    x = 66,043,549.06

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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.