Home / 163,958,868.75-226,263,047.13-89,619,917.52

Finding the Fourth Proportional to 163,958,868.75, 226,263,047.13 and 89,619,917.52

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Solution

The fourth proportional to 163,958,868.75, 226,263,047.13 and 89,619,917.52 is: 123,675,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,958,868.75 : 226,263,047.13 = 89,619,917.52 : x
  2. Step 2: Convert to fraction form
    163,958,868.75/226,263,047.13 = 89,619,917.52/x
  3. Step 3: Cross multiply
    163,958,868.75x = 226,263,047.13 × 89,619,917.52
  4. Step 4: Simplify right side
    163,958,868.75x = 20,277,675,621,614,472
  5. Step 5: Solve for x
    x = 20,277,675,621,614,472/163,958,868.75
  6. Step 6: Final answer
    x = 123,675,381.37

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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.