Home / 217,295,063.70-325,942,595.55-55,736,999.70

Finding the Fourth Proportional to 217,295,063.70, 325,942,595.55 and 55,736,999.70

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Solution

The fourth proportional to 217,295,063.70, 325,942,595.55 and 55,736,999.70 is: 83,605,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,295,063.70 : 325,942,595.55 = 55,736,999.70 : x
  2. Step 2: Convert to fraction form
    217,295,063.70/325,942,595.55 = 55,736,999.70/x
  3. Step 3: Cross multiply
    217,295,063.70x = 325,942,595.55 × 55,736,999.70
  4. Step 4: Simplify right side
    217,295,063.70x = 18,167,062,350,387,572
  5. Step 5: Solve for x
    x = 18,167,062,350,387,572/217,295,063.70
  6. Step 6: Final answer
    x = 83,605,499.55

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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.