Home / 181,715,930.70-272,573,896.05-84,639,374.70

Finding the Fourth Proportional to 181,715,930.70, 272,573,896.05 and 84,639,374.70

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Solution

The fourth proportional to 181,715,930.70, 272,573,896.05 and 84,639,374.70 is: 126,959,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,715,930.70 : 272,573,896.05 = 84,639,374.70 : x
  2. Step 2: Convert to fraction form
    181,715,930.70/272,573,896.05 = 84,639,374.70/x
  3. Step 3: Cross multiply
    181,715,930.70x = 272,573,896.05 × 84,639,374.70
  4. Step 4: Simplify right side
    181,715,930.70x = 23,070,484,121,214,800
  5. Step 5: Solve for x
    x = 23,070,484,121,214,800/181,715,930.70
  6. Step 6: Final answer
    x = 126,959,062.05

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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.