Home / 202,377,979.71-279,281,705.44-109,558,487.55

Finding the Fourth Proportional to 202,377,979.71, 279,281,705.44 and 109,558,487.55

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Solution

The fourth proportional to 202,377,979.71, 279,281,705.44 and 109,558,487.55 is: 151,190,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377,979.71 : 279,281,705.44 = 109,558,487.55 : x
  2. Step 2: Convert to fraction form
    202,377,979.71/279,281,705.44 = 109,558,487.55/x
  3. Step 3: Cross multiply
    202,377,979.71x = 279,281,705.44 × 109,558,487.55
  4. Step 4: Simplify right side
    202,377,979.71x = 30,597,681,249,369,288
  5. Step 5: Solve for x
    x = 30,597,681,249,369,288/202,377,979.71
  6. Step 6: Final answer
    x = 151,190,763.41

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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.