Home / 155,399,842.20-233,183,744.10-69,151,560.60

Finding the Fourth Proportional to 155,399,842.20, 233,183,744.10 and 69,151,560.60

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Solution

The fourth proportional to 155,399,842.20, 233,183,744.10 and 69,151,560.60 is: 103,764,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,399,842.20 : 233,183,744.10 = 69,151,560.60 : x
  2. Step 2: Convert to fraction form
    155,399,842.20/233,183,744.10 = 69,151,560.60/x
  3. Step 3: Cross multiply
    155,399,842.20x = 233,183,744.10 × 69,151,560.60
  4. Step 4: Simplify right side
    155,399,842.20x = 16,125,019,811,066,040
  5. Step 5: Solve for x
    x = 16,125,019,811,066,040/155,399,842.20
  6. Step 6: Final answer
    x = 103,764,711.62

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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.