Home / 88,213,081.32-121,716,213.30-51,536,566.44

Finding the Fourth Proportional to 88,213,081.32, 121,716,213.30 and 51,536,566.44

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Solution

The fourth proportional to 88,213,081.32, 121,716,213.30 and 51,536,566.44 is: 71,110,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213,081.32 : 121,716,213.30 = 51,536,566.44 : x
  2. Step 2: Convert to fraction form
    88,213,081.32/121,716,213.30 = 51,536,566.44/x
  3. Step 3: Cross multiply
    88,213,081.32x = 121,716,213.30 × 51,536,566.44
  4. Step 4: Simplify right side
    88,213,081.32x = 6,272,835,713,560,661
  5. Step 5: Solve for x
    x = 6,272,835,713,560,661/88,213,081.32
  6. Step 6: Final answer
    x = 71,110,039.69

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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.