Home / 540,012,016.66-810,012,120.09-131,068,167.16

Finding the Fourth Proportional to 540,012,016.66, 810,012,120.09 and 131,068,167.16

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Solution

The fourth proportional to 540,012,016.66, 810,012,120.09 and 131,068,167.16 is: 196,600,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012,016.66 : 810,012,120.09 = 131,068,167.16 : x
  2. Step 2: Convert to fraction form
    540,012,016.66/810,012,120.09 = 131,068,167.16/x
  3. Step 3: Cross multiply
    540,012,016.66x = 810,012,120.09 × 131,068,167.16
  4. Step 4: Simplify right side
    540,012,016.66x = 106,166,803,957,582,112
  5. Step 5: Solve for x
    x = 106,166,803,957,582,112/540,012,016.66
  6. Step 6: Final answer
    x = 196,600,817.54

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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.