Home / 216,703,113.99-325,053,794.48-78,496,376.37

Finding the Fourth Proportional to 216,703,113.99, 325,053,794.48 and 78,496,376.37

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Solution

The fourth proportional to 216,703,113.99, 325,053,794.48 and 78,496,376.37 is: 117,744,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,703,113.99 : 325,053,794.48 = 78,496,376.37 : x
  2. Step 2: Convert to fraction form
    216,703,113.99/325,053,794.48 = 78,496,376.37/x
  3. Step 3: Cross multiply
    216,703,113.99x = 325,053,794.48 × 78,496,376.37
  4. Step 4: Simplify right side
    216,703,113.99x = 25,515,544,991,606,228
  5. Step 5: Solve for x
    x = 25,515,544,991,606,228/216,703,113.99
  6. Step 6: Final answer
    x = 117,744,247.06

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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.