Home / 106,560,040.80-159,840,061.20-38,409,621.60

Finding the Fourth Proportional to 106,560,040.80, 159,840,061.20 and 38,409,621.60

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Solution

The fourth proportional to 106,560,040.80, 159,840,061.20 and 38,409,621.60 is: 57,614,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,560,040.80 : 159,840,061.20 = 38,409,621.60 : x
  2. Step 2: Convert to fraction form
    106,560,040.80/159,840,061.20 = 38,409,621.60/x
  3. Step 3: Cross multiply
    106,560,040.80x = 159,840,061.20 × 38,409,621.60
  4. Step 4: Simplify right side
    106,560,040.80x = 6,139,396,267,212,842
  5. Step 5: Solve for x
    x = 6,139,396,267,212,842/106,560,040.80
  6. Step 6: Final answer
    x = 57,614,432.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.