Home / 500,144,112.25-750,148,063.36-131,648,206.88

Finding the Fourth Proportional to 500,144,112.25, 750,148,063.36 and 131,648,206.88

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Solution

The fourth proportional to 500,144,112.25, 750,148,063.36 and 131,648,206.88 is: 197,454,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,144,112.25 : 750,148,063.36 = 131,648,206.88 : x
  2. Step 2: Convert to fraction form
    500,144,112.25/750,148,063.36 = 131,648,206.88/x
  3. Step 3: Cross multiply
    500,144,112.25x = 750,148,063.36 × 131,648,206.88
  4. Step 4: Simplify right side
    500,144,112.25x = 98,755,647,435,848,624
  5. Step 5: Solve for x
    x = 98,755,647,435,848,624/500,144,112.25
  6. Step 6: Final answer
    x = 197,454,383.68

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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.