Home / 80,863,697.79-111,645,768.09-47,834,557.62

Finding the Fourth Proportional to 80,863,697.79, 111,645,768.09 and 47,834,557.62

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Solution

The fourth proportional to 80,863,697.79, 111,645,768.09 and 47,834,557.62 is: 66,043,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,697.79 : 111,645,768.09 = 47,834,557.62 : x
  2. Step 2: Convert to fraction form
    80,863,697.79/111,645,768.09 = 47,834,557.62/x
  3. Step 3: Cross multiply
    80,863,697.79x = 111,645,768.09 × 47,834,557.62
  4. Step 4: Simplify right side
    80,863,697.79x = 5,340,525,926,730,262
  5. Step 5: Solve for x
    x = 5,340,525,926,730,262/80,863,697.79
  6. Step 6: Final answer
    x = 66,043,553.20

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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.