Home / 202,378,030.39-279,281,775.52-109,558,538.34

Finding the Fourth Proportional to 202,378,030.39, 279,281,775.52 and 109,558,538.34

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Solution

The fourth proportional to 202,378,030.39, 279,281,775.52 and 109,558,538.34 is: 151,190,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,030.39 : 279,281,775.52 = 109,558,538.34 : x
  2. Step 2: Convert to fraction form
    202,378,030.39/279,281,775.52 = 109,558,538.34/x
  3. Step 3: Cross multiply
    202,378,030.39x = 279,281,775.52 × 109,558,538.34
  4. Step 4: Simplify right side
    202,378,030.39x = 30,597,703,110,971,192
  5. Step 5: Solve for x
    x = 30,597,703,110,971,192/202,378,030.39
  6. Step 6: Final answer
    x = 151,190,833.57

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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.