Home / 123,204,692.07-184,988,709.75-68,723,722.71

Finding the Fourth Proportional to 123,204,692.07, 184,988,709.75 and 68,723,722.71

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Solution

The fourth proportional to 123,204,692.07, 184,988,709.75 and 68,723,722.71 is: 103,186,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204,692.07 : 184,988,709.75 = 68,723,722.71 : x
  2. Step 2: Convert to fraction form
    123,204,692.07/184,988,709.75 = 68,723,722.71/x
  3. Step 3: Cross multiply
    123,204,692.07x = 184,988,709.75 × 68,723,722.71
  4. Step 4: Simplify right side
    123,204,692.07x = 12,713,112,793,339,672
  5. Step 5: Solve for x
    x = 12,713,112,793,339,672/123,204,692.07
  6. Step 6: Final answer
    x = 103,186,920.72

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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.