Home / 81,673,640.10-114,428,126.70-81,673,640.10

Finding the Fourth Proportional to 81,673,640.10, 114,428,126.70 and 81,673,640.10

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Solution

The fourth proportional to 81,673,640.10, 114,428,126.70 and 81,673,640.10 is: 114,428,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,673,640.10 : 114,428,126.70 = 81,673,640.10 : x
  2. Step 2: Convert to fraction form
    81,673,640.10/114,428,126.70 = 81,673,640.10/x
  3. Step 3: Cross multiply
    81,673,640.10x = 114,428,126.70 × 81,673,640.10
  4. Step 4: Simplify right side
    81,673,640.10x = 9,345,761,637,413,000
  5. Step 5: Solve for x
    x = 9,345,761,637,413,000/81,673,640.10
  6. Step 6: Final answer
    x = 114,428,126.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.