Home / 55,235,812.23-76,258,079.55-49,107,280.50

Finding the Fourth Proportional to 55,235,812.23, 76,258,079.55 and 49,107,280.50

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Solution

The fourth proportional to 55,235,812.23, 76,258,079.55 and 49,107,280.50 is: 67,797,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235,812.23 : 76,258,079.55 = 49,107,280.50 : x
  2. Step 2: Convert to fraction form
    55,235,812.23/76,258,079.55 = 49,107,280.50/x
  3. Step 3: Cross multiply
    55,235,812.23x = 76,258,079.55 × 49,107,280.50
  4. Step 4: Simplify right side
    55,235,812.23x = 3,744,826,902,853,163.50
  5. Step 5: Solve for x
    x = 3,744,826,902,853,163.50/55,235,812.23
  6. Step 6: Final answer
    x = 67,797,082.21

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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.