Home / 90,930,490.08-136,481,966.30-56,282,083.44

Finding the Fourth Proportional to 90,930,490.08, 136,481,966.30 and 56,282,083.44

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Solution

The fourth proportional to 90,930,490.08, 136,481,966.30 and 56,282,083.44 is: 84,476,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,490.08 : 136,481,966.30 = 56,282,083.44 : x
  2. Step 2: Convert to fraction form
    90,930,490.08/136,481,966.30 = 56,282,083.44/x
  3. Step 3: Cross multiply
    90,930,490.08x = 136,481,966.30 × 56,282,083.44
  4. Step 4: Simplify right side
    90,930,490.08x = 7,681,489,415,351,868
  5. Step 5: Solve for x
    x = 7,681,489,415,351,868/90,930,490.08
  6. Step 6: Final answer
    x = 84,476,498.57

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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.