Home / 185,910,099.42-278,326,634.54-140,045,129.58

Finding the Fourth Proportional to 185,910,099.42, 278,326,634.54 and 140,045,129.58

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Solution

The fourth proportional to 185,910,099.42, 278,326,634.54 and 140,045,129.58 is: 209,662,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910,099.42 : 278,326,634.54 = 140,045,129.58 : x
  2. Step 2: Convert to fraction form
    185,910,099.42/278,326,634.54 = 140,045,129.58/x
  3. Step 3: Cross multiply
    185,910,099.42x = 278,326,634.54 × 140,045,129.58
  4. Step 4: Simplify right side
    185,910,099.42x = 38,978,289,599,019,384
  5. Step 5: Solve for x
    x = 38,978,289,599,019,384/185,910,099.42
  6. Step 6: Final answer
    x = 209,662,034.07

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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.