Home / 115,858,394.38-159,886,221.87-63,652,254.94

Finding the Fourth Proportional to 115,858,394.38, 159,886,221.87 and 63,652,254.94

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Solution

The fourth proportional to 115,858,394.38, 159,886,221.87 and 63,652,254.94 is: 87,841,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,858,394.38 : 159,886,221.87 = 63,652,254.94 : x
  2. Step 2: Convert to fraction form
    115,858,394.38/159,886,221.87 = 63,652,254.94/x
  3. Step 3: Cross multiply
    115,858,394.38x = 159,886,221.87 × 63,652,254.94
  4. Step 4: Simplify right side
    115,858,394.38x = 10,177,118,555,862,644
  5. Step 5: Solve for x
    x = 10,177,118,555,862,644/115,858,394.38
  6. Step 6: Final answer
    x = 87,841,011.52

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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.