Home / 91,874,560.56-137,804,609.16-40,057,940.40

Finding the Fourth Proportional to 91,874,560.56, 137,804,609.16 and 40,057,940.40

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Solution

The fourth proportional to 91,874,560.56, 137,804,609.16 and 40,057,940.40 is: 60,083,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,874,560.56 : 137,804,609.16 = 40,057,940.40 : x
  2. Step 2: Convert to fraction form
    91,874,560.56/137,804,609.16 = 40,057,940.40/x
  3. Step 3: Cross multiply
    91,874,560.56x = 137,804,609.16 × 40,057,940.40
  4. Step 4: Simplify right side
    91,874,560.56x = 5,520,168,820,576,574
  5. Step 5: Solve for x
    x = 5,520,168,820,576,574/91,874,560.56
  6. Step 6: Final answer
    x = 60,083,757.54

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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.