Home / 84,206,465.40-116,215,004.94-51,172,112.28

Finding the Fourth Proportional to 84,206,465.40, 116,215,004.94 and 51,172,112.28

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Solution

The fourth proportional to 84,206,465.40, 116,215,004.94 and 51,172,112.28 is: 70,623,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,206,465.40 : 116,215,004.94 = 51,172,112.28 : x
  2. Step 2: Convert to fraction form
    84,206,465.40/116,215,004.94 = 51,172,112.28/x
  3. Step 3: Cross multiply
    84,206,465.40x = 116,215,004.94 × 51,172,112.28
  4. Step 4: Simplify right side
    84,206,465.40x = 5,946,967,281,410,435
  5. Step 5: Solve for x
    x = 5,946,967,281,410,435/84,206,465.40
  6. Step 6: Final answer
    x = 70,623,642.18

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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.