Home / 163,647,432.26-225,838,244.33-89,312,760.56

Finding the Fourth Proportional to 163,647,432.26, 225,838,244.33 and 89,312,760.56

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Solution

The fourth proportional to 163,647,432.26, 225,838,244.33 and 89,312,760.56 is: 123,254,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,432.26 : 225,838,244.33 = 89,312,760.56 : x
  2. Step 2: Convert to fraction form
    163,647,432.26/225,838,244.33 = 89,312,760.56/x
  3. Step 3: Cross multiply
    163,647,432.26x = 225,838,244.33 × 89,312,760.56
  4. Step 4: Simplify right side
    163,647,432.26x = 20,170,237,039,560,312
  5. Step 5: Solve for x
    x = 20,170,237,039,560,312/163,647,432.26
  6. Step 6: Final answer
    x = 123,254,222.58

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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.