Home / 202,377,980.71-279,281,706.82-109,558,488.55

Finding the Fourth Proportional to 202,377,980.71, 279,281,706.82 and 109,558,488.55

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Solution

The fourth proportional to 202,377,980.71, 279,281,706.82 and 109,558,488.55 is: 151,190,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377,980.71 : 279,281,706.82 = 109,558,488.55 : x
  2. Step 2: Convert to fraction form
    202,377,980.71/279,281,706.82 = 109,558,488.55/x
  3. Step 3: Cross multiply
    202,377,980.71x = 279,281,706.82 × 109,558,488.55
  4. Step 4: Simplify right side
    202,377,980.71x = 30,597,681,678,863,424
  5. Step 5: Solve for x
    x = 30,597,681,678,863,424/202,377,980.71
  6. Step 6: Final answer
    x = 151,190,764.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.