Home / 268,588,833.20-402,883,249.80-186,959,495.60

Finding the Fourth Proportional to 268,588,833.20, 402,883,249.80 and 186,959,495.60

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Solution

The fourth proportional to 268,588,833.20, 402,883,249.80 and 186,959,495.60 is: 280,439,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,588,833.20 : 402,883,249.80 = 186,959,495.60 : x
  2. Step 2: Convert to fraction form
    268,588,833.20/402,883,249.80 = 186,959,495.60/x
  3. Step 3: Cross multiply
    268,588,833.20x = 402,883,249.80 × 186,959,495.60
  4. Step 4: Simplify right side
    268,588,833.20x = 75,322,849,168,296,800
  5. Step 5: Solve for x
    x = 75,322,849,168,296,800/268,588,833.20
  6. Step 6: Final answer
    x = 280,439,243.40

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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.