Home / 109,022,379.12-163,514,151.68-43,438,020.32

Finding the Fourth Proportional to 109,022,379.12, 163,514,151.68 and 43,438,020.32

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Solution

The fourth proportional to 109,022,379.12, 163,514,151.68 and 43,438,020.32 is: 65,149,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,022,379.12 : 163,514,151.68 = 43,438,020.32 : x
  2. Step 2: Convert to fraction form
    109,022,379.12/163,514,151.68 = 43,438,020.32/x
  3. Step 3: Cross multiply
    109,022,379.12x = 163,514,151.68 × 43,438,020.32
  4. Step 4: Simplify right side
    109,022,379.12x = 7,102,731,043,283,402
  5. Step 5: Solve for x
    x = 7,102,731,043,283,402/109,022,379.12
  6. Step 6: Final answer
    x = 65,149,294.12

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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.