Home / 131,072,072.94-196,640,120.07-43,633,421.01

Finding the Fourth Proportional to 131,072,072.94, 196,640,120.07 and 43,633,421.01

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Solution

The fourth proportional to 131,072,072.94, 196,640,120.07 and 43,633,421.01 is: 65,460,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,072,072.94 : 196,640,120.07 = 43,633,421.01 : x
  2. Step 2: Convert to fraction form
    131,072,072.94/196,640,120.07 = 43,633,421.01/x
  3. Step 3: Cross multiply
    131,072,072.94x = 196,640,120.07 × 43,633,421.01
  4. Step 4: Simplify right side
    131,072,072.94x = 8,580,081,146,471,260
  5. Step 5: Solve for x
    x = 8,580,081,146,471,260/131,072,072.94
  6. Step 6: Final answer
    x = 65,460,787.75

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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.