Home / 51,235,277.70-76,852,990.35-20,943,140.70

Finding the Fourth Proportional to 51,235,277.70, 76,852,990.35 and 20,943,140.70

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Solution

The fourth proportional to 51,235,277.70, 76,852,990.35 and 20,943,140.70 is: 31,414,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235,277.70 : 76,852,990.35 = 20,943,140.70 : x
  2. Step 2: Convert to fraction form
    51,235,277.70/76,852,990.35 = 20,943,140.70/x
  3. Step 3: Cross multiply
    51,235,277.70x = 76,852,990.35 × 20,943,140.70
  4. Step 4: Simplify right side
    51,235,277.70x = 1,609,542,990,115,792
  5. Step 5: Solve for x
    x = 1,609,542,990,115,792/51,235,277.70
  6. Step 6: Final answer
    x = 31,414,741.22

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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.