Home / 101,824,337.64-140,517,949.86-55,415,147.88

Finding the Fourth Proportional to 101,824,337.64, 140,517,949.86 and 55,415,147.88

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Solution

The fourth proportional to 101,824,337.64, 140,517,949.86 and 55,415,147.88 is: 76,473,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,824,337.64 : 140,517,949.86 = 55,415,147.88 : x
  2. Step 2: Convert to fraction form
    101,824,337.64/140,517,949.86 = 55,415,147.88/x
  3. Step 3: Cross multiply
    101,824,337.64x = 140,517,949.86 × 55,415,147.88
  4. Step 4: Simplify right side
    101,824,337.64x = 7,786,822,971,286,326
  5. Step 5: Solve for x
    x = 7,786,822,971,286,326/101,824,337.64
  6. Step 6: Final answer
    x = 76,473,102.13

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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.