Home / 181,845,005.40-272,767,508.10-109,143,876.60

Finding the Fourth Proportional to 181,845,005.40, 272,767,508.10 and 109,143,876.60

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Solution

The fourth proportional to 181,845,005.40, 272,767,508.10 and 109,143,876.60 is: 163,715,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,845,005.40 : 272,767,508.10 = 109,143,876.60 : x
  2. Step 2: Convert to fraction form
    181,845,005.40/272,767,508.10 = 109,143,876.60/x
  3. Step 3: Cross multiply
    181,845,005.40x = 272,767,508.10 × 109,143,876.60
  4. Step 4: Simplify right side
    181,845,005.40x = 29,770,903,244,555,900
  5. Step 5: Solve for x
    x = 29,770,903,244,555,900/181,845,005.40
  6. Step 6: Final answer
    x = 163,715,814.90

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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.