Home / 80,984,078.20-121,476,117.30-35,545,872.70

Finding the Fourth Proportional to 80,984,078.20, 121,476,117.30 and 35,545,872.70

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Solution

The fourth proportional to 80,984,078.20, 121,476,117.30 and 35,545,872.70 is: 53,318,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,984,078.20 : 121,476,117.30 = 35,545,872.70 : x
  2. Step 2: Convert to fraction form
    80,984,078.20/121,476,117.30 = 35,545,872.70/x
  3. Step 3: Cross multiply
    80,984,078.20x = 121,476,117.30 × 35,545,872.70
  4. Step 4: Simplify right side
    80,984,078.20x = 4,317,974,601,636,068
  5. Step 5: Solve for x
    x = 4,317,974,601,636,068/80,984,078.20
  6. Step 6: Final answer
    x = 53,318,809.05

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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.