Home / 81,448,279.80-122,172,419.70-43,184,527.80

Finding the Fourth Proportional to 81,448,279.80, 122,172,419.70 and 43,184,527.80

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Solution

The fourth proportional to 81,448,279.80, 122,172,419.70 and 43,184,527.80 is: 64,776,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,448,279.80 : 122,172,419.70 = 43,184,527.80 : x
  2. Step 2: Convert to fraction form
    81,448,279.80/122,172,419.70 = 43,184,527.80/x
  3. Step 3: Cross multiply
    81,448,279.80x = 122,172,419.70 × 43,184,527.80
  4. Step 4: Simplify right side
    81,448,279.80x = 5,275,958,254,927,917
  5. Step 5: Solve for x
    x = 5,275,958,254,927,917/81,448,279.80
  6. Step 6: Final answer
    x = 64,776,791.70

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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.