Home / 219,646,678.58-303,111,584.66-120,529,084.34

Finding the Fourth Proportional to 219,646,678.58, 303,111,584.66 and 120,529,084.34

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Solution

The fourth proportional to 219,646,678.58, 303,111,584.66 and 120,529,084.34 is: 166,329,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,678.58 : 303,111,584.66 = 120,529,084.34 : x
  2. Step 2: Convert to fraction form
    219,646,678.58/303,111,584.66 = 120,529,084.34/x
  3. Step 3: Cross multiply
    219,646,678.58x = 303,111,584.66 × 120,529,084.34
  4. Step 4: Simplify right side
    219,646,678.58x = 36,533,761,751,916,192
  5. Step 5: Solve for x
    x = 36,533,761,751,916,192/219,646,678.58
  6. Step 6: Final answer
    x = 166,329,679.96

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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.