Home / 115,859,185.28-173,940,662.48-77,691,486.24

Finding the Fourth Proportional to 115,859,185.28, 173,940,662.48 and 77,691,486.24

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Solution

The fourth proportional to 115,859,185.28, 173,940,662.48 and 77,691,486.24 is: 116,639,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,859,185.28 : 173,940,662.48 = 77,691,486.24 : x
  2. Step 2: Convert to fraction form
    115,859,185.28/173,940,662.48 = 77,691,486.24/x
  3. Step 3: Cross multiply
    115,859,185.28x = 173,940,662.48 × 77,691,486.24
  4. Step 4: Simplify right side
    115,859,185.28x = 13,513,708,585,641,402
  5. Step 5: Solve for x
    x = 13,513,708,585,641,402/115,859,185.28
  6. Step 6: Final answer
    x = 116,639,078.32

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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.