Home / 217,479,217.80-326,218,826.70-73,872,049.80

Finding the Fourth Proportional to 217,479,217.80, 326,218,826.70 and 73,872,049.80

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Solution

The fourth proportional to 217,479,217.80, 326,218,826.70 and 73,872,049.80 is: 110,808,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,479,217.80 : 326,218,826.70 = 73,872,049.80 : x
  2. Step 2: Convert to fraction form
    217,479,217.80/326,218,826.70 = 73,872,049.80/x
  3. Step 3: Cross multiply
    217,479,217.80x = 326,218,826.70 × 73,872,049.80
  4. Step 4: Simplify right side
    217,479,217.80x = 24,098,453,411,679,968
  5. Step 5: Solve for x
    x = 24,098,453,411,679,968/217,479,217.80
  6. Step 6: Final answer
    x = 110,808,074.70

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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.