Home / 55,145,720.20-82,718,580.30-43,724,331.40

Finding the Fourth Proportional to 55,145,720.20, 82,718,580.30 and 43,724,331.40

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Solution

The fourth proportional to 55,145,720.20, 82,718,580.30 and 43,724,331.40 is: 65,586,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,720.20 : 82,718,580.30 = 43,724,331.40 : x
  2. Step 2: Convert to fraction form
    55,145,720.20/82,718,580.30 = 43,724,331.40/x
  3. Step 3: Cross multiply
    55,145,720.20x = 82,718,580.30 × 43,724,331.40
  4. Step 4: Simplify right side
    55,145,720.20x = 3,616,814,617,974,711
  5. Step 5: Solve for x
    x = 3,616,814,617,974,711/55,145,720.20
  6. Step 6: Final answer
    x = 65,586,497.10

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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.