Home / 100,900,421.45-151,336,261.09-31,804,245.27

Finding the Fourth Proportional to 100,900,421.45, 151,336,261.09 and 31,804,245.27

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Solution

The fourth proportional to 100,900,421.45, 151,336,261.09 and 31,804,245.27 is: 47,701,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,421.45 : 151,336,261.09 = 31,804,245.27 : x
  2. Step 2: Convert to fraction form
    100,900,421.45/151,336,261.09 = 31,804,245.27/x
  3. Step 3: Cross multiply
    100,900,421.45x = 151,336,261.09 × 31,804,245.27
  4. Step 4: Simplify right side
    100,900,421.45x = 4,813,135,565,307,541
  5. Step 5: Solve for x
    x = 4,813,135,565,307,541/100,900,421.45
  6. Step 6: Final answer
    x = 47,701,838.07

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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.