Home / 202,378,057.15-279,281,812.26-109,558,564.96

Finding the Fourth Proportional to 202,378,057.15, 279,281,812.26 and 109,558,564.96

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Solution

The fourth proportional to 202,378,057.15, 279,281,812.26 and 109,558,564.96 is: 151,190,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,057.15 : 279,281,812.26 = 109,558,564.96 : x
  2. Step 2: Convert to fraction form
    202,378,057.15/279,281,812.26 = 109,558,564.96/x
  3. Step 3: Cross multiply
    202,378,057.15x = 279,281,812.26 × 109,558,564.96
  4. Step 4: Simplify right side
    202,378,057.15x = 30,597,714,570,633,732
  5. Step 5: Solve for x
    x = 30,597,714,570,633,732/202,378,057.15
  6. Step 6: Final answer
    x = 151,190,870.20

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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.