Home / 86,586,964.48-119,456,751.54-49,419,307.72

Finding the Fourth Proportional to 86,586,964.48, 119,456,751.54 and 49,419,307.72

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Solution

The fourth proportional to 86,586,964.48, 119,456,751.54 and 49,419,307.72 is: 68,179,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,586,964.48 : 119,456,751.54 = 49,419,307.72 : x
  2. Step 2: Convert to fraction form
    86,586,964.48/119,456,751.54 = 49,419,307.72/x
  3. Step 3: Cross multiply
    86,586,964.48x = 119,456,751.54 × 49,419,307.72
  4. Step 4: Simplify right side
    86,586,964.48x = 5,903,469,963,586,844
  5. Step 5: Solve for x
    x = 5,903,469,963,586,844/86,586,964.48
  6. Step 6: Final answer
    x = 68,179,661.90

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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.