Home / 217,740,342.60-326,610,513.90-125,907,337.80

Finding the Fourth Proportional to 217,740,342.60, 326,610,513.90 and 125,907,337.80

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Solution

The fourth proportional to 217,740,342.60, 326,610,513.90 and 125,907,337.80 is: 188,861,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740,342.60 : 326,610,513.90 = 125,907,337.80 : x
  2. Step 2: Convert to fraction form
    217,740,342.60/326,610,513.90 = 125,907,337.80/x
  3. Step 3: Cross multiply
    217,740,342.60x = 326,610,513.90 × 125,907,337.80
  4. Step 4: Simplify right side
    217,740,342.60x = 41,122,660,302,638,888
  5. Step 5: Solve for x
    x = 41,122,660,302,638,888/217,740,342.60
  6. Step 6: Final answer
    x = 188,861,006.70

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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.