Home / 61,229,872.80-91,844,809.20-51,226,826.40

Finding the Fourth Proportional to 61,229,872.80, 91,844,809.20 and 51,226,826.40

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Solution

The fourth proportional to 61,229,872.80, 91,844,809.20 and 51,226,826.40 is: 76,840,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,229,872.80 : 91,844,809.20 = 51,226,826.40 : x
  2. Step 2: Convert to fraction form
    61,229,872.80/91,844,809.20 = 51,226,826.40/x
  3. Step 3: Cross multiply
    61,229,872.80x = 91,844,809.20 × 51,226,826.40
  4. Step 4: Simplify right side
    61,229,872.80x = 4,704,918,096,629,523
  5. Step 5: Solve for x
    x = 4,704,918,096,629,523/61,229,872.80
  6. Step 6: Final answer
    x = 76,840,239.60

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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.