Home / 65,522,362.66-90,420,791.87-36,153,693.50

Finding the Fourth Proportional to 65,522,362.66, 90,420,791.87 and 36,153,693.50

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Solution

The fourth proportional to 65,522,362.66, 90,420,791.87 and 36,153,693.50 is: 49,892,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522,362.66 : 90,420,791.87 = 36,153,693.50 : x
  2. Step 2: Convert to fraction form
    65,522,362.66/90,420,791.87 = 36,153,693.50/x
  3. Step 3: Cross multiply
    65,522,362.66x = 90,420,791.87 × 36,153,693.50
  4. Step 4: Simplify right side
    65,522,362.66x = 3,269,045,594,933,552
  5. Step 5: Solve for x
    x = 3,269,045,594,933,552/65,522,362.66
  6. Step 6: Final answer
    x = 49,892,059.17

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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.