Home / 55,171,481.32-76,142,624.03-30,394,207.18

Finding the Fourth Proportional to 55,171,481.32, 76,142,624.03 and 30,394,207.18

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Solution

The fourth proportional to 55,171,481.32, 76,142,624.03 and 30,394,207.18 is: 41,947,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171,481.32 : 76,142,624.03 = 30,394,207.18 : x
  2. Step 2: Convert to fraction form
    55,171,481.32/76,142,624.03 = 30,394,207.18/x
  3. Step 3: Cross multiply
    55,171,481.32x = 76,142,624.03 × 30,394,207.18
  4. Step 4: Simplify right side
    55,171,481.32x = 2,314,294,689,996,666.50
  5. Step 5: Solve for x
    x = 2,314,294,689,996,666.50/55,171,481.32
  6. Step 6: Final answer
    x = 41,947,300.21

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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.