Home / 352,016,689.20-528,022,409.40-106,372,849.20

Finding the Fourth Proportional to 352,016,689.20, 528,022,409.40 and 106,372,849.20

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Solution

The fourth proportional to 352,016,689.20, 528,022,409.40 and 106,372,849.20 is: 159,558,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,016,689.20 : 528,022,409.40 = 106,372,849.20 : x
  2. Step 2: Convert to fraction form
    352,016,689.20/528,022,409.40 = 106,372,849.20/x
  3. Step 3: Cross multiply
    352,016,689.20x = 528,022,409.40 × 106,372,849.20
  4. Step 4: Simplify right side
    352,016,689.20x = 56,167,248,129,326,864
  5. Step 5: Solve for x
    x = 56,167,248,129,326,864/352,016,689.20
  6. Step 6: Final answer
    x = 159,558,480.76

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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.