Home / 217,778,875.40-326,668,313.10-168,461,150.60

Finding the Fourth Proportional to 217,778,875.40, 326,668,313.10 and 168,461,150.60

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Solution

The fourth proportional to 217,778,875.40, 326,668,313.10 and 168,461,150.60 is: 252,691,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,778,875.40 : 326,668,313.10 = 168,461,150.60 : x
  2. Step 2: Convert to fraction form
    217,778,875.40/326,668,313.10 = 168,461,150.60/x
  3. Step 3: Cross multiply
    217,778,875.40x = 326,668,313.10 × 168,461,150.60
  4. Step 4: Simplify right side
    217,778,875.40x = 55,030,919,889,387,056
  5. Step 5: Solve for x
    x = 55,030,919,889,387,056/217,778,875.40
  6. Step 6: Final answer
    x = 252,691,725.90

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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.