Home / 217,778,829.90-326,668,244.85-168,461,105.10

Finding the Fourth Proportional to 217,778,829.90, 326,668,244.85 and 168,461,105.10

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Solution

The fourth proportional to 217,778,829.90, 326,668,244.85 and 168,461,105.10 is: 252,691,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,778,829.90 : 326,668,244.85 = 168,461,105.10 : x
  2. Step 2: Convert to fraction form
    217,778,829.90/326,668,244.85 = 168,461,105.10/x
  3. Step 3: Cross multiply
    217,778,829.90x = 326,668,244.85 × 168,461,105.10
  4. Step 4: Simplify right side
    217,778,829.90x = 55,030,893,528,508,384
  5. Step 5: Solve for x
    x = 55,030,893,528,508,384/217,778,829.90
  6. Step 6: Final answer
    x = 252,691,657.65

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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.