Home / 111,521,964.56-153,904,464.51-66,875,205.57

Finding the Fourth Proportional to 111,521,964.56, 153,904,464.51 and 66,875,205.57

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Solution

The fourth proportional to 111,521,964.56, 153,904,464.51 and 66,875,205.57 is: 92,290,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,521,964.56 : 153,904,464.51 = 66,875,205.57 : x
  2. Step 2: Convert to fraction form
    111,521,964.56/153,904,464.51 = 66,875,205.57/x
  3. Step 3: Cross multiply
    111,521,964.56x = 153,904,464.51 × 66,875,205.57
  4. Step 4: Simplify right side
    111,521,964.56x = 10,292,392,702,247,018
  5. Step 5: Solve for x
    x = 10,292,392,702,247,018/111,521,964.56
  6. Step 6: Final answer
    x = 92,290,274.33

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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.