Home / 219,433,320.40-329,149,980.60-199,344,850.60

Finding the Fourth Proportional to 219,433,320.40, 329,149,980.60 and 199,344,850.60

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Solution

The fourth proportional to 219,433,320.40, 329,149,980.60 and 199,344,850.60 is: 299,017,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433,320.40 : 329,149,980.60 = 199,344,850.60 : x
  2. Step 2: Convert to fraction form
    219,433,320.40/329,149,980.60 = 199,344,850.60/x
  3. Step 3: Cross multiply
    219,433,320.40x = 329,149,980.60 × 199,344,850.60
  4. Step 4: Simplify right side
    219,433,320.40x = 65,614,353,707,699,904
  5. Step 5: Solve for x
    x = 65,614,353,707,699,904/219,433,320.40
  6. Step 6: Final answer
    x = 299,017,275.90

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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.