Home / 65,869,345.55-90,900,238.41-36,501,168.56

Finding the Fourth Proportional to 65,869,345.55, 90,900,238.41 and 36,501,168.56

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Solution

The fourth proportional to 65,869,345.55, 90,900,238.41 and 36,501,168.56 is: 50,371,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,345.55 : 90,900,238.41 = 36,501,168.56 : x
  2. Step 2: Convert to fraction form
    65,869,345.55/90,900,238.41 = 36,501,168.56/x
  3. Step 3: Cross multiply
    65,869,345.55x = 90,900,238.41 × 36,501,168.56
  4. Step 4: Simplify right side
    65,869,345.55x = 3,317,964,923,893,095
  5. Step 5: Solve for x
    x = 3,317,964,923,893,095/65,869,345.55
  6. Step 6: Final answer
    x = 50,371,912.71

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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.