Home / 113,733,905.30-156,902,937.03-66,667,117.44

Finding the Fourth Proportional to 113,733,905.30, 156,902,937.03 and 66,667,117.44

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Solution

The fourth proportional to 113,733,905.30, 156,902,937.03 and 66,667,117.44 is: 91,971,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733,905.30 : 156,902,937.03 = 66,667,117.44 : x
  2. Step 2: Convert to fraction form
    113,733,905.30/156,902,937.03 = 66,667,117.44/x
  3. Step 3: Cross multiply
    113,733,905.30x = 156,902,937.03 × 66,667,117.44
  4. Step 4: Simplify right side
    113,733,905.30x = 10,460,266,530,248,322
  5. Step 5: Solve for x
    x = 10,460,266,530,248,322/113,733,905.30
  6. Step 6: Final answer
    x = 91,971,400.29

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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.