Home / 84,824,739.03-117,058,609.17-47,656,586.55

Finding the Fourth Proportional to 84,824,739.03, 117,058,609.17 and 47,656,586.55

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Solution

The fourth proportional to 84,824,739.03, 117,058,609.17 and 47,656,586.55 is: 65,766,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,824,739.03 : 117,058,609.17 = 47,656,586.55 : x
  2. Step 2: Convert to fraction form
    84,824,739.03/117,058,609.17 = 47,656,586.55/x
  3. Step 3: Cross multiply
    84,824,739.03x = 117,058,609.17 × 47,656,586.55
  4. Step 4: Simplify right side
    84,824,739.03x = 5,578,613,739,332,728
  5. Step 5: Solve for x
    x = 5,578,613,739,332,728/84,824,739.03
  6. Step 6: Final answer
    x = 65,766,353.11

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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.