Home / 209,011,022.52-313,509,433.19-53,566,356.84

Finding the Fourth Proportional to 209,011,022.52, 313,509,433.19 and 53,566,356.84

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Solution

The fourth proportional to 209,011,022.52, 313,509,433.19 and 53,566,356.84 is: 80,347,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,011,022.52 : 313,509,433.19 = 53,566,356.84 : x
  2. Step 2: Convert to fraction form
    209,011,022.52/313,509,433.19 = 53,566,356.84/x
  3. Step 3: Cross multiply
    209,011,022.52x = 313,509,433.19 × 53,566,356.84
  4. Step 4: Simplify right side
    209,011,022.52x = 16,793,558,172,388,692
  5. Step 5: Solve for x
    x = 16,793,558,172,388,692/209,011,022.52
  6. Step 6: Final answer
    x = 80,347,715.49

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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.