Home / 80,863,695.79-111,645,765.33-47,834,555.62

Finding the Fourth Proportional to 80,863,695.79, 111,645,765.33 and 47,834,555.62

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Solution

The fourth proportional to 80,863,695.79, 111,645,765.33 and 47,834,555.62 is: 66,043,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,695.79 : 111,645,765.33 = 47,834,555.62 : x
  2. Step 2: Convert to fraction form
    80,863,695.79/111,645,765.33 = 47,834,555.62/x
  3. Step 3: Cross multiply
    80,863,695.79x = 111,645,765.33 × 47,834,555.62
  4. Step 4: Simplify right side
    80,863,695.79x = 5,340,525,571,415,352
  5. Step 5: Solve for x
    x = 5,340,525,571,415,352/80,863,695.79
  6. Step 6: Final answer
    x = 66,043,550.44

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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.