Home / 123,567,392.57-170,511,730.91-73,322,952.92

Finding the Fourth Proportional to 123,567,392.57, 170,511,730.91 and 73,322,952.92

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Solution

The fourth proportional to 123,567,392.57, 170,511,730.91 and 73,322,952.92 is: 101,178,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,567,392.57 : 170,511,730.91 = 73,322,952.92 : x
  2. Step 2: Convert to fraction form
    123,567,392.57/170,511,730.91 = 73,322,952.92/x
  3. Step 3: Cross multiply
    123,567,392.57x = 170,511,730.91 × 73,322,952.92
  4. Step 4: Simplify right side
    123,567,392.57x = 12,502,423,617,821,638
  5. Step 5: Solve for x
    x = 12,502,423,617,821,638/123,567,392.57
  6. Step 6: Final answer
    x = 101,178,987.09

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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.