Home / 215,172,933.84-322,758,327.29-84,028,534.16

Finding the Fourth Proportional to 215,172,933.84, 322,758,327.29 and 84,028,534.16

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Solution

The fourth proportional to 215,172,933.84, 322,758,327.29 and 84,028,534.16 is: 126,042,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,172,933.84 : 322,758,327.29 = 84,028,534.16 : x
  2. Step 2: Convert to fraction form
    215,172,933.84/322,758,327.29 = 84,028,534.16/x
  3. Step 3: Cross multiply
    215,172,933.84x = 322,758,327.29 × 84,028,534.16
  4. Step 4: Simplify right side
    215,172,933.84x = 27,120,909,130,189,584
  5. Step 5: Solve for x
    x = 27,120,909,130,189,584/215,172,933.84
  6. Step 6: Final answer
    x = 126,042,382.03

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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.