Home / 300,104,712.86-450,094,083.68-84,643,572.38

Finding the Fourth Proportional to 300,104,712.86, 450,094,083.68 and 84,643,572.38

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Solution

The fourth proportional to 300,104,712.86, 450,094,083.68 and 84,643,572.38 is: 126,947,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,104,712.86 : 450,094,083.68 = 84,643,572.38 : x
  2. Step 2: Convert to fraction form
    300,104,712.86/450,094,083.68 = 84,643,572.38/x
  3. Step 3: Cross multiply
    300,104,712.86x = 450,094,083.68 × 84,643,572.38
  4. Step 4: Simplify right side
    300,104,712.86x = 38,097,571,147,738,992
  5. Step 5: Solve for x
    x = 38,097,571,147,738,992/300,104,712.86
  6. Step 6: Final answer
    x = 126,947,593.68

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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.