Home / 271,762,441.65-407,240,554.45-199,606,138.29

Finding the Fourth Proportional to 271,762,441.65, 407,240,554.45 and 199,606,138.29

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Solution

The fourth proportional to 271,762,441.65, 407,240,554.45 and 199,606,138.29 is: 299,113,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,762,441.65 : 407,240,554.45 = 199,606,138.29 : x
  2. Step 2: Convert to fraction form
    271,762,441.65/407,240,554.45 = 199,606,138.29/x
  3. Step 3: Cross multiply
    271,762,441.65x = 407,240,554.45 × 199,606,138.29
  4. Step 4: Simplify right side
    271,762,441.65x = 81,287,714,428,842,976
  5. Step 5: Solve for x
    x = 81,287,714,428,842,976/271,762,441.65
  6. Step 6: Final answer
    x = 299,113,129.60

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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.