Home / 217,818,023.40-326,727,035.10-168,500,298.60

Finding the Fourth Proportional to 217,818,023.40, 326,727,035.10 and 168,500,298.60

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Solution

The fourth proportional to 217,818,023.40, 326,727,035.10 and 168,500,298.60 is: 252,750,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,818,023.40 : 326,727,035.10 = 168,500,298.60 : x
  2. Step 2: Convert to fraction form
    217,818,023.40/326,727,035.10 = 168,500,298.60/x
  3. Step 3: Cross multiply
    217,818,023.40x = 326,727,035.10 × 168,500,298.60
  4. Step 4: Simplify right side
    217,818,023.40x = 55,053,602,975,042,680
  5. Step 5: Solve for x
    x = 55,053,602,975,042,680/217,818,023.40
  6. Step 6: Final answer
    x = 252,750,447.90

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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.