Home / 224,423,998.80-336,552,017.40-78,801,291.60

Finding the Fourth Proportional to 224,423,998.80, 336,552,017.40 and 78,801,291.60

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Solution

The fourth proportional to 224,423,998.80, 336,552,017.40 and 78,801,291.60 is: 118,172,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,423,998.80 : 336,552,017.40 = 78,801,291.60 : x
  2. Step 2: Convert to fraction form
    224,423,998.80/336,552,017.40 = 78,801,291.60/x
  3. Step 3: Cross multiply
    224,423,998.80x = 336,552,017.40 × 78,801,291.60
  4. Step 4: Simplify right side
    224,423,998.80x = 26,520,733,661,705,668
  5. Step 5: Solve for x
    x = 26,520,733,661,705,668/224,423,998.80
  6. Step 6: Final answer
    x = 118,172,449.49

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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.