Home / 73,528,939.74-101,469,936.87-40,489,110.12

Finding the Fourth Proportional to 73,528,939.74, 101,469,936.87 and 40,489,110.12

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Solution

The fourth proportional to 73,528,939.74, 101,469,936.87 and 40,489,110.12 is: 55,874,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,528,939.74 : 101,469,936.87 = 40,489,110.12 : x
  2. Step 2: Convert to fraction form
    73,528,939.74/101,469,936.87 = 40,489,110.12/x
  3. Step 3: Cross multiply
    73,528,939.74x = 101,469,936.87 × 40,489,110.12
  4. Step 4: Simplify right side
    73,528,939.74x = 4,108,427,447,798,878
  5. Step 5: Solve for x
    x = 4,108,427,447,798,878/73,528,939.74
  6. Step 6: Final answer
    x = 55,874,971.98

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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.