Home / 139,543,042.92-209,346,066.79-46,169,793.39

Finding the Fourth Proportional to 139,543,042.92, 209,346,066.79 and 46,169,793.39

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Solution

The fourth proportional to 139,543,042.92, 209,346,066.79 and 46,169,793.39 is: 69,265,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,543,042.92 : 209,346,066.79 = 46,169,793.39 : x
  2. Step 2: Convert to fraction form
    139,543,042.92/209,346,066.79 = 46,169,793.39/x
  3. Step 3: Cross multiply
    139,543,042.92x = 209,346,066.79 × 46,169,793.39
  4. Step 4: Simplify right side
    139,543,042.92x = 9,665,464,651,339,514
  5. Step 5: Solve for x
    x = 9,665,464,651,339,514/139,543,042.92
  6. Step 6: Final answer
    x = 69,265,113.11

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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.