Home / 72,285,201.20-108,470,886.39-26,230,663.55

Finding the Fourth Proportional to 72,285,201.20, 108,470,886.39 and 26,230,663.55

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Solution

The fourth proportional to 72,285,201.20, 108,470,886.39 and 26,230,663.55 is: 39,361,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,285,201.20 : 108,470,886.39 = 26,230,663.55 : x
  2. Step 2: Convert to fraction form
    72,285,201.20/108,470,886.39 = 26,230,663.55/x
  3. Step 3: Cross multiply
    72,285,201.20x = 108,470,886.39 × 26,230,663.55
  4. Step 4: Simplify right side
    72,285,201.20x = 2,845,263,326,137,541
  5. Step 5: Solve for x
    x = 2,845,263,326,137,541/72,285,201.20
  6. Step 6: Final answer
    x = 39,361,629.75

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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.