Home / 80,874,312.30-121,311,468.45-50,263,310.70

Finding the Fourth Proportional to 80,874,312.30, 121,311,468.45 and 50,263,310.70

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Solution

The fourth proportional to 80,874,312.30, 121,311,468.45 and 50,263,310.70 is: 75,394,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874,312.30 : 121,311,468.45 = 50,263,310.70 : x
  2. Step 2: Convert to fraction form
    80,874,312.30/121,311,468.45 = 50,263,310.70/x
  3. Step 3: Cross multiply
    80,874,312.30x = 121,311,468.45 × 50,263,310.70
  4. Step 4: Simplify right side
    80,874,312.30x = 6,097,516,030,175,598
  5. Step 5: Solve for x
    x = 6,097,516,030,175,598/80,874,312.30
  6. Step 6: Final answer
    x = 75,394,966.05

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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.