Home / 217,321,989.42-299,877,124.94-146,910,800.36

Finding the Fourth Proportional to 217,321,989.42, 299,877,124.94 and 146,910,800.36

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Solution

The fourth proportional to 217,321,989.42, 299,877,124.94 and 146,910,800.36 is: 202,718,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,321,989.42 : 299,877,124.94 = 146,910,800.36 : x
  2. Step 2: Convert to fraction form
    217,321,989.42/299,877,124.94 = 146,910,800.36/x
  3. Step 3: Cross multiply
    217,321,989.42x = 299,877,124.94 × 146,910,800.36
  4. Step 4: Simplify right side
    217,321,989.42x = 44,055,188,432,357,176
  5. Step 5: Solve for x
    x = 44,055,188,432,357,176/217,321,989.42
  6. Step 6: Final answer
    x = 202,718,503.31

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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.