Home / 217,479,216.30-326,218,824.45-73,872,048.30

Finding the Fourth Proportional to 217,479,216.30, 326,218,824.45 and 73,872,048.30

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Solution

The fourth proportional to 217,479,216.30, 326,218,824.45 and 73,872,048.30 is: 110,808,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,479,216.30 : 326,218,824.45 = 73,872,048.30 : x
  2. Step 2: Convert to fraction form
    217,479,216.30/326,218,824.45 = 73,872,048.30/x
  3. Step 3: Cross multiply
    217,479,216.30x = 326,218,824.45 × 73,872,048.30
  4. Step 4: Simplify right side
    217,479,216.30x = 24,098,452,756,139,620
  5. Step 5: Solve for x
    x = 24,098,452,756,139,620/217,479,216.30
  6. Step 6: Final answer
    x = 110,808,072.45

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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.