Home / 169,031,873.40-253,715,771.70-82,867,572.60

Finding the Fourth Proportional to 169,031,873.40, 253,715,771.70 and 82,867,572.60

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Solution

The fourth proportional to 169,031,873.40, 253,715,771.70 and 82,867,572.60 is: 124,383,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,031,873.40 : 253,715,771.70 = 82,867,572.60 : x
  2. Step 2: Convert to fraction form
    169,031,873.40/253,715,771.70 = 82,867,572.60/x
  3. Step 3: Cross multiply
    169,031,873.40x = 253,715,771.70 × 82,867,572.60
  4. Step 4: Simplify right side
    169,031,873.40x = 21,024,810,131,114,772
  5. Step 5: Solve for x
    x = 21,024,810,131,114,772/169,031,873.40
  6. Step 6: Final answer
    x = 124,383,701.77

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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.