Home / 202,618,468.80-304,077,002.40-81,536,817.60

Finding the Fourth Proportional to 202,618,468.80, 304,077,002.40 and 81,536,817.60

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Solution

The fourth proportional to 202,618,468.80, 304,077,002.40 and 81,536,817.60 is: 122,365,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,618,468.80 : 304,077,002.40 = 81,536,817.60 : x
  2. Step 2: Convert to fraction form
    202,618,468.80/304,077,002.40 = 81,536,817.60/x
  3. Step 3: Cross multiply
    202,618,468.80x = 304,077,002.40 × 81,536,817.60
  4. Step 4: Simplify right side
    202,618,468.80x = 24,793,471,081,043,560
  5. Step 5: Solve for x
    x = 24,793,471,081,043,560/202,618,468.80
  6. Step 6: Final answer
    x = 122,365,306.72

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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.