Home / 202,378,018.80-279,281,759.94-109,558,526.52

Finding the Fourth Proportional to 202,378,018.80, 279,281,759.94 and 109,558,526.52

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Solution

The fourth proportional to 202,378,018.80, 279,281,759.94 and 109,558,526.52 is: 151,190,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,018.80 : 279,281,759.94 = 109,558,526.52 : x
  2. Step 2: Convert to fraction form
    202,378,018.80/279,281,759.94 = 109,558,526.52/x
  3. Step 3: Cross multiply
    202,378,018.80x = 279,281,759.94 × 109,558,526.52
  4. Step 4: Simplify right side
    202,378,018.80x = 30,597,698,102,938,764
  5. Step 5: Solve for x
    x = 30,597,698,102,938,764/202,378,018.80
  6. Step 6: Final answer
    x = 151,190,817.48

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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.