Home / 100,929,990.69-151,392,813.62-28,144,833.84

Finding the Fourth Proportional to 100,929,990.69, 151,392,813.62 and 28,144,833.84

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Solution

The fourth proportional to 100,929,990.69, 151,392,813.62 and 28,144,833.84 is: 42,216,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,929,990.69 : 151,392,813.62 = 28,144,833.84 : x
  2. Step 2: Convert to fraction form
    100,929,990.69/151,392,813.62 = 28,144,833.84/x
  3. Step 3: Cross multiply
    100,929,990.69x = 151,392,813.62 × 28,144,833.84
  4. Step 4: Simplify right side
    100,929,990.69x = 4,260,925,583,764,265
  5. Step 5: Solve for x
    x = 4,260,925,583,764,265/100,929,990.69
  6. Step 6: Final answer
    x = 42,216,644.97

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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.