Home / 163,647,469.24-225,838,295.40-89,312,797.56

Finding the Fourth Proportional to 163,647,469.24, 225,838,295.40 and 89,312,797.56

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Solution

The fourth proportional to 163,647,469.24, 225,838,295.40 and 89,312,797.56 is: 123,254,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,469.24 : 225,838,295.40 = 89,312,797.56 : x
  2. Step 2: Convert to fraction form
    163,647,469.24/225,838,295.40 = 89,312,797.56/x
  3. Step 3: Cross multiply
    163,647,469.24x = 225,838,295.40 × 89,312,797.56
  4. Step 4: Simplify right side
    163,647,469.24x = 20,170,249,958,355,680
  5. Step 5: Solve for x
    x = 20,170,249,958,355,680/163,647,469.24
  6. Step 6: Final answer
    x = 123,254,273.67

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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.