Home / 105,171,446.82-145,144,107-58,127,508.24

Finding the Fourth Proportional to 105,171,446.82, 145,144,107 and 58,127,508.24

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Solution

The fourth proportional to 105,171,446.82, 145,144,107 and 58,127,508.24 is: 80,220,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,171,446.82 : 145,144,107 = 58,127,508.24 : x
  2. Step 2: Convert to fraction form
    105,171,446.82/145,144,107 = 58,127,508.24/x
  3. Step 3: Cross multiply
    105,171,446.82x = 145,144,107 × 58,127,508.24
  4. Step 4: Simplify right side
    105,171,446.82x = 8,436,865,275,629,942
  5. Step 5: Solve for x
    x = 8,436,865,275,629,942/105,171,446.82
  6. Step 6: Final answer
    x = 80,220,112.31

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1.5x scale

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.