Home / 84,817,249.80-127,225,874.70-30,291,403.20

Finding the Fourth Proportional to 84,817,249.80, 127,225,874.70 and 30,291,403.20

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Solution

The fourth proportional to 84,817,249.80, 127,225,874.70 and 30,291,403.20 is: 45,437,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817,249.80 : 127,225,874.70 = 30,291,403.20 : x
  2. Step 2: Convert to fraction form
    84,817,249.80/127,225,874.70 = 30,291,403.20/x
  3. Step 3: Cross multiply
    84,817,249.80x = 127,225,874.70 × 30,291,403.20
  4. Step 4: Simplify right side
    84,817,249.80x = 3,853,850,268,010,379
  5. Step 5: Solve for x
    x = 3,853,850,268,010,379/84,817,249.80
  6. Step 6: Final answer
    x = 45,437,104.80

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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.