Home / 126,469,381.53-174,460,423.82-76,924,908.57

Finding the Fourth Proportional to 126,469,381.53, 174,460,423.82 and 76,924,908.57

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Solution

The fourth proportional to 126,469,381.53, 174,460,423.82 and 76,924,908.57 is: 106,115,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,469,381.53 : 174,460,423.82 = 76,924,908.57 : x
  2. Step 2: Convert to fraction form
    126,469,381.53/174,460,423.82 = 76,924,908.57/x
  3. Step 3: Cross multiply
    126,469,381.53x = 174,460,423.82 × 76,924,908.57
  4. Step 4: Simplify right side
    126,469,381.53x = 13,420,352,151,052,324
  5. Step 5: Solve for x
    x = 13,420,352,151,052,324/126,469,381.53
  6. Step 6: Final answer
    x = 106,115,424.85

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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.