Home / 122,346,100.32-168,841,272.32-75,330,297.36

Finding the Fourth Proportional to 122,346,100.32, 168,841,272.32 and 75,330,297.36

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Solution

The fourth proportional to 122,346,100.32, 168,841,272.32 and 75,330,297.36 is: 103,958,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,346,100.32 : 168,841,272.32 = 75,330,297.36 : x
  2. Step 2: Convert to fraction form
    122,346,100.32/168,841,272.32 = 75,330,297.36/x
  3. Step 3: Cross multiply
    122,346,100.32x = 168,841,272.32 × 75,330,297.36
  4. Step 4: Simplify right side
    122,346,100.32x = 12,718,863,250,694,662
  5. Step 5: Solve for x
    x = 12,718,863,250,694,662/122,346,100.32
  6. Step 6: Final answer
    x = 103,958,060.11

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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.