Home / 215,172,935.15-322,758,329.23-84,028,535.46

Finding the Fourth Proportional to 215,172,935.15, 322,758,329.23 and 84,028,535.46

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Solution

The fourth proportional to 215,172,935.15, 322,758,329.23 and 84,028,535.46 is: 126,042,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,172,935.15 : 322,758,329.23 = 84,028,535.46 : x
  2. Step 2: Convert to fraction form
    215,172,935.15/322,758,329.23 = 84,028,535.46/x
  3. Step 3: Cross multiply
    215,172,935.15x = 322,758,329.23 × 84,028,535.46
  4. Step 4: Simplify right side
    215,172,935.15x = 27,120,909,712,713,408
  5. Step 5: Solve for x
    x = 27,120,909,712,713,408/215,172,935.15
  6. Step 6: Final answer
    x = 126,042,383.98

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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.