Home / 109,155,518.12-150,702,596.48-69,485,432.18

Finding the Fourth Proportional to 109,155,518.12, 150,702,596.48 and 69,485,432.18

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Solution

The fourth proportional to 109,155,518.12, 150,702,596.48 and 69,485,432.18 is: 95,933,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155,518.12 : 150,702,596.48 = 69,485,432.18 : x
  2. Step 2: Convert to fraction form
    109,155,518.12/150,702,596.48 = 69,485,432.18/x
  3. Step 3: Cross multiply
    109,155,518.12x = 150,702,596.48 × 69,485,432.18
  4. Step 4: Simplify right side
    109,155,518.12x = 10,471,635,046,481,146
  5. Step 5: Solve for x
    x = 10,471,635,046,481,146/109,155,518.12
  6. Step 6: Final answer
    x = 95,933,171.56

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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.