Home / 36,143,999.70-54,215,999.55-31,105,151.70

Finding the Fourth Proportional to 36,143,999.70, 54,215,999.55 and 31,105,151.70

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Solution

The fourth proportional to 36,143,999.70, 54,215,999.55 and 31,105,151.70 is: 46,657,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143,999.70 : 54,215,999.55 = 31,105,151.70 : x
  2. Step 2: Convert to fraction form
    36,143,999.70/54,215,999.55 = 31,105,151.70/x
  3. Step 3: Cross multiply
    36,143,999.70x = 54,215,999.55 × 31,105,151.70
  4. Step 4: Simplify right side
    36,143,999.70x = 1,686,396,890,569,881.50
  5. Step 5: Solve for x
    x = 1,686,396,890,569,881.50/36,143,999.70
  6. Step 6: Final answer
    x = 46,657,727.55

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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.