Home / 131,317,985.44-196,987,146.48-43,879,805.92

Finding the Fourth Proportional to 131,317,985.44, 196,987,146.48 and 43,879,805.92

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Solution

The fourth proportional to 131,317,985.44, 196,987,146.48 and 43,879,805.92 is: 65,823,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,317,985.44 : 196,987,146.48 = 43,879,805.92 : x
  2. Step 2: Convert to fraction form
    131,317,985.44/196,987,146.48 = 43,879,805.92/x
  3. Step 3: Cross multiply
    131,317,985.44x = 196,987,146.48 × 43,879,805.92
  4. Step 4: Simplify right side
    131,317,985.44x = 8,643,757,756,277,011
  5. Step 5: Solve for x
    x = 8,643,757,756,277,011/131,317,985.44
  6. Step 6: Final answer
    x = 65,823,106.62

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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.