Home / 45,523,250.55-68,284,875.83-31,652,640.45

Finding the Fourth Proportional to 45,523,250.55, 68,284,875.83 and 31,652,640.45

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Solution

The fourth proportional to 45,523,250.55, 68,284,875.83 and 31,652,640.45 is: 47,478,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,523,250.55 : 68,284,875.83 = 31,652,640.45 : x
  2. Step 2: Convert to fraction form
    45,523,250.55/68,284,875.83 = 31,652,640.45/x
  3. Step 3: Cross multiply
    45,523,250.55x = 68,284,875.83 × 31,652,640.45
  4. Step 4: Simplify right side
    45,523,250.55x = 2,161,396,622,661,622.25
  5. Step 5: Solve for x
    x = 2,161,396,622,661,622.25/45,523,250.55
  6. Step 6: Final answer
    x = 47,478,960.68

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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.