Home / 100,900,425.21-151,336,266.72-31,804,249.02

Finding the Fourth Proportional to 100,900,425.21, 151,336,266.72 and 31,804,249.02

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Solution

The fourth proportional to 100,900,425.21, 151,336,266.72 and 31,804,249.02 is: 47,701,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,425.21 : 151,336,266.72 = 31,804,249.02 : x
  2. Step 2: Convert to fraction form
    100,900,425.21/151,336,266.72 = 31,804,249.02/x
  3. Step 3: Cross multiply
    100,900,425.21x = 151,336,266.72 × 31,804,249.02
  4. Step 4: Simplify right side
    100,900,425.21x = 4,813,136,312,520,019
  5. Step 5: Solve for x
    x = 4,813,136,312,520,019/100,900,425.21
  6. Step 6: Final answer
    x = 47,701,843.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.