Home / 65,679,083.67-90,633,247.65-36,308,664.61

Finding the Fourth Proportional to 65,679,083.67, 90,633,247.65 and 36,308,664.61

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Solution

The fourth proportional to 65,679,083.67, 90,633,247.65 and 36,308,664.61 is: 50,103,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679,083.67 : 90,633,247.65 = 36,308,664.61 : x
  2. Step 2: Convert to fraction form
    65,679,083.67/90,633,247.65 = 36,308,664.61/x
  3. Step 3: Cross multiply
    65,679,083.67x = 90,633,247.65 × 36,308,664.61
  4. Step 4: Simplify right side
    65,679,083.67x = 3,290,772,191,212,338
  5. Step 5: Solve for x
    x = 3,290,772,191,212,338/65,679,083.67
  6. Step 6: Final answer
    x = 50,103,807.90

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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.