Home / 45,648,380.45-62,958,033.56-40,129,956.15

Finding the Fourth Proportional to 45,648,380.45, 62,958,033.56 and 40,129,956.15

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Solution

The fourth proportional to 45,648,380.45, 62,958,033.56 and 40,129,956.15 is: 55,347,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648,380.45 : 62,958,033.56 = 40,129,956.15 : x
  2. Step 2: Convert to fraction form
    45,648,380.45/62,958,033.56 = 40,129,956.15/x
  3. Step 3: Cross multiply
    45,648,380.45x = 62,958,033.56 × 40,129,956.15
  4. Step 4: Simplify right side
    45,648,380.45x = 2,526,503,125,852,378.50
  5. Step 5: Solve for x
    x = 2,526,503,125,852,378.50/45,648,380.45
  6. Step 6: Final answer
    x = 55,347,048.49

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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.