Home / 151,973,169.68-209,723,153.52-82,358,550.56

Finding the Fourth Proportional to 151,973,169.68, 209,723,153.52 and 82,358,550.56

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Solution

The fourth proportional to 151,973,169.68, 209,723,153.52 and 82,358,550.56 is: 113,654,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,169.68 : 209,723,153.52 = 82,358,550.56 : x
  2. Step 2: Convert to fraction form
    151,973,169.68/209,723,153.52 = 82,358,550.56/x
  3. Step 3: Cross multiply
    151,973,169.68x = 209,723,153.52 × 82,358,550.56
  4. Step 4: Simplify right side
    151,973,169.68x = 17,272,494,942,779,564
  5. Step 5: Solve for x
    x = 17,272,494,942,779,564/151,973,169.68
  6. Step 6: Final answer
    x = 113,654,896.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.