Home / 217,435,840.70-326,204,829.25-71,869,386.58

Finding the Fourth Proportional to 217,435,840.70, 326,204,829.25 and 71,869,386.58

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Solution

The fourth proportional to 217,435,840.70, 326,204,829.25 and 71,869,386.58 is: 107,820,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,435,840.70 : 326,204,829.25 = 71,869,386.58 : x
  2. Step 2: Convert to fraction form
    217,435,840.70/326,204,829.25 = 71,869,386.58/x
  3. Step 3: Cross multiply
    217,435,840.70x = 326,204,829.25 × 71,869,386.58
  4. Step 4: Simplify right side
    217,435,840.70x = 23,444,140,976,635,956
  5. Step 5: Solve for x
    x = 23,444,140,976,635,956/217,435,840.70
  6. Step 6: Final answer
    x = 107,820,959.51

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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.