Home / 268,588,733.70-402,883,100.55-186,959,396.10

Finding the Fourth Proportional to 268,588,733.70, 402,883,100.55 and 186,959,396.10

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Solution

The fourth proportional to 268,588,733.70, 402,883,100.55 and 186,959,396.10 is: 280,439,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,588,733.70 : 402,883,100.55 = 186,959,396.10 : x
  2. Step 2: Convert to fraction form
    268,588,733.70/402,883,100.55 = 186,959,396.10/x
  3. Step 3: Cross multiply
    268,588,733.70x = 402,883,100.55 × 186,959,396.10
  4. Step 4: Simplify right side
    268,588,733.70x = 75,322,781,177,723,584
  5. Step 5: Solve for x
    x = 75,322,781,177,723,584/268,588,733.70
  6. Step 6: Final answer
    x = 280,439,094.15

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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.