Home / 352,267,288.60-528,400,932.90-147,942,002.20

Finding the Fourth Proportional to 352,267,288.60, 528,400,932.90 and 147,942,002.20

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Solution

The fourth proportional to 352,267,288.60, 528,400,932.90 and 147,942,002.20 is: 221,913,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,267,288.60 : 528,400,932.90 = 147,942,002.20 : x
  2. Step 2: Convert to fraction form
    352,267,288.60/528,400,932.90 = 147,942,002.20/x
  3. Step 3: Cross multiply
    352,267,288.60x = 528,400,932.90 × 147,942,002.20
  4. Step 4: Simplify right side
    352,267,288.60x = 78,172,691,977,573,840
  5. Step 5: Solve for x
    x = 78,172,691,977,573,840/352,267,288.60
  6. Step 6: Final answer
    x = 221,913,003.30

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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.