Home / 131,147,147.72-196,730,169.54-50,368,115.72

Finding the Fourth Proportional to 131,147,147.72, 196,730,169.54 and 50,368,115.72

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Solution

The fourth proportional to 131,147,147.72, 196,730,169.54 and 50,368,115.72 is: 75,555,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,147,147.72 : 196,730,169.54 = 50,368,115.72 : x
  2. Step 2: Convert to fraction form
    131,147,147.72/196,730,169.54 = 50,368,115.72/x
  3. Step 3: Cross multiply
    131,147,147.72x = 196,730,169.54 × 50,368,115.72
  4. Step 4: Simplify right side
    131,147,147.72x = 9,908,927,945,005,938
  5. Step 5: Solve for x
    x = 9,908,927,945,005,938/131,147,147.72
  6. Step 6: Final answer
    x = 75,555,802.14

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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.