Home / 115,859,181.28-173,940,656.48-77,691,482.24

Finding the Fourth Proportional to 115,859,181.28, 173,940,656.48 and 77,691,482.24

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Solution

The fourth proportional to 115,859,181.28, 173,940,656.48 and 77,691,482.24 is: 116,639,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,859,181.28 : 173,940,656.48 = 77,691,482.24 : x
  2. Step 2: Convert to fraction form
    115,859,181.28/173,940,656.48 = 77,691,482.24/x
  3. Step 3: Cross multiply
    115,859,181.28x = 173,940,656.48 × 77,691,482.24
  4. Step 4: Simplify right side
    115,859,181.28x = 13,513,707,423,729,860
  5. Step 5: Solve for x
    x = 13,513,707,423,729,860/115,859,181.28
  6. Step 6: Final answer
    x = 116,639,072.32

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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.