Home / 205,283,474.51-283,288,849.23-111,195,847.67

Finding the Fourth Proportional to 205,283,474.51, 283,288,849.23 and 111,195,847.67

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Solution

The fourth proportional to 205,283,474.51, 283,288,849.23 and 111,195,847.67 is: 153,448,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,283,474.51 : 283,288,849.23 = 111,195,847.67 : x
  2. Step 2: Convert to fraction form
    205,283,474.51/283,288,849.23 = 111,195,847.67/x
  3. Step 3: Cross multiply
    205,283,474.51x = 283,288,849.23 × 111,195,847.67
  4. Step 4: Simplify right side
    205,283,474.51x = 31,500,543,724,447,872
  5. Step 5: Solve for x
    x = 31,500,543,724,447,872/205,283,474.51
  6. Step 6: Final answer
    x = 153,448,999.24

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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.