Home / 168,212,816.91-252,317,541.65-53,197,378.83

Finding the Fourth Proportional to 168,212,816.91, 252,317,541.65 and 53,197,378.83

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Solution

The fourth proportional to 168,212,816.91, 252,317,541.65 and 53,197,378.83 is: 79,795,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,212,816.91 : 252,317,541.65 = 53,197,378.83 : x
  2. Step 2: Convert to fraction form
    168,212,816.91/252,317,541.65 = 53,197,378.83/x
  3. Step 3: Cross multiply
    168,212,816.91x = 252,317,541.65 × 53,197,378.83
  4. Step 4: Simplify right side
    168,212,816.91x = 13,422,631,848,343,366
  5. Step 5: Solve for x
    x = 13,422,631,848,343,366/168,212,816.91
  6. Step 6: Final answer
    x = 79,795,535.77

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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.