Home / 68,129,281.12-102,188,962.84-26,622,383.08

Finding the Fourth Proportional to 68,129,281.12, 102,188,962.84 and 26,622,383.08

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Solution

The fourth proportional to 68,129,281.12, 102,188,962.84 and 26,622,383.08 is: 39,931,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,129,281.12 : 102,188,962.84 = 26,622,383.08 : x
  2. Step 2: Convert to fraction form
    68,129,281.12/102,188,962.84 = 26,622,383.08/x
  3. Step 3: Cross multiply
    68,129,281.12x = 102,188,962.84 × 26,622,383.08
  4. Step 4: Simplify right side
    68,129,281.12x = 2,720,513,715,274,364.50
  5. Step 5: Solve for x
    x = 2,720,513,715,274,364.50/68,129,281.12
  6. Step 6: Final answer
    x = 39,931,636.89

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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.