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Finding the Fourth Proportional to 329,928,866.22, 494,957,028.24 and 125,441,041.98

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Solution

The fourth proportional to 329,928,866.22, 494,957,028.24 and 125,441,041.98 is: 188,185,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,928,866.22 : 494,957,028.24 = 125,441,041.98 : x
  2. Step 2: Convert to fraction form
    329,928,866.22/494,957,028.24 = 125,441,041.98/x
  3. Step 3: Cross multiply
    329,928,866.22x = 494,957,028.24 × 125,441,041.98
  4. Step 4: Simplify right side
    329,928,866.22x = 62,087,925,357,749,888
  5. Step 5: Solve for x
    x = 62,087,925,357,749,888/329,928,866.22
  6. Step 6: Final answer
    x = 188,185,793.10

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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.