Home / 217,290,445.92-325,935,756.72-53,531,388

Finding the Fourth Proportional to 217,290,445.92, 325,935,756.72 and 53,531,388

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Solution

The fourth proportional to 217,290,445.92, 325,935,756.72 and 53,531,388 is: 80,297,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,290,445.92 : 325,935,756.72 = 53,531,388 : x
  2. Step 2: Convert to fraction form
    217,290,445.92/325,935,756.72 = 53,531,388/x
  3. Step 3: Cross multiply
    217,290,445.92x = 325,935,756.72 × 53,531,388
  4. Step 4: Simplify right side
    217,290,445.92x = 17,447,793,456,051,928
  5. Step 5: Solve for x
    x = 17,447,793,456,051,928/217,290,445.92
  6. Step 6: Final answer
    x = 80,297,103.64

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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.