Home / 217,616,006.40-326,424,009.60-168,298,281.60

Finding the Fourth Proportional to 217,616,006.40, 326,424,009.60 and 168,298,281.60

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Solution

The fourth proportional to 217,616,006.40, 326,424,009.60 and 168,298,281.60 is: 252,447,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,616,006.40 : 326,424,009.60 = 168,298,281.60 : x
  2. Step 2: Convert to fraction form
    217,616,006.40/326,424,009.60 = 168,298,281.60/x
  3. Step 3: Cross multiply
    217,616,006.40x = 326,424,009.60 × 168,298,281.60
  4. Step 4: Simplify right side
    217,616,006.40x = 54,936,599,888,661,904
  5. Step 5: Solve for x
    x = 54,936,599,888,661,904/217,616,006.40
  6. Step 6: Final answer
    x = 252,447,422.40

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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.