Home / 217,779,485.40-326,669,228.10-168,461,760.60

Finding the Fourth Proportional to 217,779,485.40, 326,669,228.10 and 168,461,760.60

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Solution

The fourth proportional to 217,779,485.40, 326,669,228.10 and 168,461,760.60 is: 252,692,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,779,485.40 : 326,669,228.10 = 168,461,760.60 : x
  2. Step 2: Convert to fraction form
    217,779,485.40/326,669,228.10 = 168,461,760.60/x
  3. Step 3: Cross multiply
    217,779,485.40x = 326,669,228.10 × 168,461,760.60
  4. Step 4: Simplify right side
    217,779,485.40x = 55,031,273,299,568,992
  5. Step 5: Solve for x
    x = 55,031,273,299,568,992/217,779,485.40
  6. Step 6: Final answer
    x = 252,692,640.90

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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.