Home / 40,943,772.30-61,415,658.45-19,420,411.80

Finding the Fourth Proportional to 40,943,772.30, 61,415,658.45 and 19,420,411.80

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Solution

The fourth proportional to 40,943,772.30, 61,415,658.45 and 19,420,411.80 is: 29,130,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,772.30 : 61,415,658.45 = 19,420,411.80 : x
  2. Step 2: Convert to fraction form
    40,943,772.30/61,415,658.45 = 19,420,411.80/x
  3. Step 3: Cross multiply
    40,943,772.30x = 61,415,658.45 × 19,420,411.80
  4. Step 4: Simplify right side
    40,943,772.30x = 1,192,717,378,067,149.75
  5. Step 5: Solve for x
    x = 1,192,717,378,067,149.75/40,943,772.30
  6. Step 6: Final answer
    x = 29,130,617.70

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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.