Home / 217,817,161.40-326,725,742.10-168,499,436.60

Finding the Fourth Proportional to 217,817,161.40, 326,725,742.10 and 168,499,436.60

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Solution

The fourth proportional to 217,817,161.40, 326,725,742.10 and 168,499,436.60 is: 252,749,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,817,161.40 : 326,725,742.10 = 168,499,436.60 : x
  2. Step 2: Convert to fraction form
    217,817,161.40/326,725,742.10 = 168,499,436.60/x
  3. Step 3: Cross multiply
    217,817,161.40x = 326,725,742.10 × 168,499,436.60
  4. Step 4: Simplify right side
    217,817,161.40x = 55,053,103,466,566,904
  5. Step 5: Solve for x
    x = 55,053,103,466,566,904/217,817,161.40
  6. Step 6: Final answer
    x = 252,749,154.90

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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.