Home / 84,079,262.39-126,058,364.24-51,664,190.85

Finding the Fourth Proportional to 84,079,262.39, 126,058,364.24 and 51,664,190.85

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Solution

The fourth proportional to 84,079,262.39, 126,058,364.24 and 51,664,190.85 is: 77,459,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,079,262.39 : 126,058,364.24 = 51,664,190.85 : x
  2. Step 2: Convert to fraction form
    84,079,262.39/126,058,364.24 = 51,664,190.85/x
  3. Step 3: Cross multiply
    84,079,262.39x = 126,058,364.24 × 51,664,190.85
  4. Step 4: Simplify right side
    84,079,262.39x = 6,512,703,388,075,854
  5. Step 5: Solve for x
    x = 6,512,703,388,075,854/84,079,262.39
  6. Step 6: Final answer
    x = 77,459,092.81

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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.