Home / 111,597,171-154,067,237.10-72,473,937.72

Finding the Fourth Proportional to 111,597,171, 154,067,237.10 and 72,473,937.72

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Solution

The fourth proportional to 111,597,171, 154,067,237.10 and 72,473,937.72 is: 100,055,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,597,171 : 154,067,237.10 = 72,473,937.72 : x
  2. Step 2: Convert to fraction form
    111,597,171/154,067,237.10 = 72,473,937.72/x
  3. Step 3: Cross multiply
    111,597,171x = 154,067,237.10 × 72,473,937.72
  4. Step 4: Simplify right side
    111,597,171x = 11,165,859,346,277,872
  5. Step 5: Solve for x
    x = 11,165,859,346,277,872/111,597,171
  6. Step 6: Final answer
    x = 100,055,039.44

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1.5x scale

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.