Home / 123,626,353.32-170,595,828-68,617,879.56

Finding the Fourth Proportional to 123,626,353.32, 170,595,828 and 68,617,879.56

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Solution

The fourth proportional to 123,626,353.32, 170,595,828 and 68,617,879.56 is: 94,687,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626,353.32 : 170,595,828 = 68,617,879.56 : x
  2. Step 2: Convert to fraction form
    123,626,353.32/170,595,828 = 68,617,879.56/x
  3. Step 3: Cross multiply
    123,626,353.32x = 170,595,828 × 68,617,879.56
  4. Step 4: Simplify right side
    123,626,353.32x = 11,705,923,979,142,476
  5. Step 5: Solve for x
    x = 11,705,923,979,142,476/123,626,353.32
  6. Step 6: Final answer
    x = 94,687,933.96

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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.