Home / 142,204,194.24-196,241,788.08-77,014,098.24

Finding the Fourth Proportional to 142,204,194.24, 196,241,788.08 and 77,014,098.24

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Solution

The fourth proportional to 142,204,194.24, 196,241,788.08 and 77,014,098.24 is: 106,279,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,204,194.24 : 196,241,788.08 = 77,014,098.24 : x
  2. Step 2: Convert to fraction form
    142,204,194.24/196,241,788.08 = 77,014,098.24/x
  3. Step 3: Cross multiply
    142,204,194.24x = 196,241,788.08 × 77,014,098.24
  4. Step 4: Simplify right side
    142,204,194.24x = 15,113,384,345,986,380
  5. Step 5: Solve for x
    x = 15,113,384,345,986,380/142,204,194.24
  6. Step 6: Final answer
    x = 106,279,455.59

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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.