Home / 123,867,259.21-170,947,709.66-68,122,502.85

Finding the Fourth Proportional to 123,867,259.21, 170,947,709.66 and 68,122,502.85

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Solution

The fourth proportional to 123,867,259.21, 170,947,709.66 and 68,122,502.85 is: 94,015,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,867,259.21 : 170,947,709.66 = 68,122,502.85 : x
  2. Step 2: Convert to fraction form
    123,867,259.21/170,947,709.66 = 68,122,502.85/x
  3. Step 3: Cross multiply
    123,867,259.21x = 170,947,709.66 × 68,122,502.85
  4. Step 4: Simplify right side
    123,867,259.21x = 11,645,385,838,173,710
  5. Step 5: Solve for x
    x = 11,645,385,838,173,710/123,867,259.21
  6. Step 6: Final answer
    x = 94,015,044.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.