Home / 186,644,406.90-279,476,722.35-131,760,621.30

Finding the Fourth Proportional to 186,644,406.90, 279,476,722.35 and 131,760,621.30

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Solution

The fourth proportional to 186,644,406.90, 279,476,722.35 and 131,760,621.30 is: 197,295,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,644,406.90 : 279,476,722.35 = 131,760,621.30 : x
  2. Step 2: Convert to fraction form
    186,644,406.90/279,476,722.35 = 131,760,621.30/x
  3. Step 3: Cross multiply
    186,644,406.90x = 279,476,722.35 × 131,760,621.30
  4. Step 4: Simplify right side
    186,644,406.90x = 36,824,026,575,723,600
  5. Step 5: Solve for x
    x = 36,824,026,575,723,600/186,644,406.90
  6. Step 6: Final answer
    x = 197,295,098.14

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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.