Home / 164,382,449.51-226,839,719.19-90,043,339.87

Finding the Fourth Proportional to 164,382,449.51, 226,839,719.19 and 90,043,339.87

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Solution

The fourth proportional to 164,382,449.51, 226,839,719.19 and 90,043,339.87 is: 124,255,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,382,449.51 : 226,839,719.19 = 90,043,339.87 : x
  2. Step 2: Convert to fraction form
    164,382,449.51/226,839,719.19 = 90,043,339.87/x
  3. Step 3: Cross multiply
    164,382,449.51x = 226,839,719.19 × 90,043,339.87
  4. Step 4: Simplify right side
    164,382,449.51x = 20,425,405,931,040,532
  5. Step 5: Solve for x
    x = 20,425,405,931,040,532/164,382,449.51
  6. Step 6: Final answer
    x = 124,255,393.39

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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.