Home / 131,072,079.62-196,640,130.13-43,633,427.69

Finding the Fourth Proportional to 131,072,079.62, 196,640,130.13 and 43,633,427.69

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Solution

The fourth proportional to 131,072,079.62, 196,640,130.13 and 43,633,427.69 is: 65,460,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,072,079.62 : 196,640,130.13 = 43,633,427.69 : x
  2. Step 2: Convert to fraction form
    131,072,079.62/196,640,130.13 = 43,633,427.69/x
  3. Step 3: Cross multiply
    131,072,079.62x = 196,640,130.13 × 43,633,427.69
  4. Step 4: Simplify right side
    131,072,079.62x = 8,580,082,899,362,062
  5. Step 5: Solve for x
    x = 8,580,082,899,362,062/131,072,079.62
  6. Step 6: Final answer
    x = 65,460,797.78

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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.