Home / 215,367,619.80-323,051,429.70-210,584,650.80

Finding the Fourth Proportional to 215,367,619.80, 323,051,429.70 and 210,584,650.80

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Solution

The fourth proportional to 215,367,619.80, 323,051,429.70 and 210,584,650.80 is: 315,876,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,367,619.80 : 323,051,429.70 = 210,584,650.80 : x
  2. Step 2: Convert to fraction form
    215,367,619.80/323,051,429.70 = 210,584,650.80/x
  3. Step 3: Cross multiply
    215,367,619.80x = 323,051,429.70 × 210,584,650.80
  4. Step 4: Simplify right side
    215,367,619.80x = 68,029,672,513,815,248
  5. Step 5: Solve for x
    x = 68,029,672,513,815,248/215,367,619.80
  6. Step 6: Final answer
    x = 315,876,976.20

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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.