Home / 217,834,441-326,815,479.60-70,279,009

Finding the Fourth Proportional to 217,834,441, 326,815,479.60 and 70,279,009

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Solution

The fourth proportional to 217,834,441, 326,815,479.60 and 70,279,009 is: 105,439,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,834,441 : 326,815,479.60 = 70,279,009 : x
  2. Step 2: Convert to fraction form
    217,834,441/326,815,479.60 = 70,279,009/x
  3. Step 3: Cross multiply
    217,834,441x = 326,815,479.60 × 70,279,009
  4. Step 4: Simplify right side
    217,834,441x = 22,968,268,032,147,720
  5. Step 5: Solve for x
    x = 22,968,268,032,147,720/217,834,441
  6. Step 6: Final answer
    x = 105,439,102.87

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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.