Home / 212,218,726.32-318,328,068.96-58,864,789.44

Finding the Fourth Proportional to 212,218,726.32, 318,328,068.96 and 58,864,789.44

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Solution

The fourth proportional to 212,218,726.32, 318,328,068.96 and 58,864,789.44 is: 88,297,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,726.32 : 318,328,068.96 = 58,864,789.44 : x
  2. Step 2: Convert to fraction form
    212,218,726.32/318,328,068.96 = 58,864,789.44/x
  3. Step 3: Cross multiply
    212,218,726.32x = 318,328,068.96 × 58,864,789.44
  4. Step 4: Simplify right side
    212,218,726.32x = 18,738,314,752,172,196
  5. Step 5: Solve for x
    x = 18,738,314,752,172,196/212,218,726.32
  6. Step 6: Final answer
    x = 88,297,178.47

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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.