Home / 205,136,728.40-307,705,092.60-61,529,560.40

Finding the Fourth Proportional to 205,136,728.40, 307,705,092.60 and 61,529,560.40

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Solution

The fourth proportional to 205,136,728.40, 307,705,092.60 and 61,529,560.40 is: 92,294,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,136,728.40 : 307,705,092.60 = 61,529,560.40 : x
  2. Step 2: Convert to fraction form
    205,136,728.40/307,705,092.60 = 61,529,560.40/x
  3. Step 3: Cross multiply
    205,136,728.40x = 307,705,092.60 × 61,529,560.40
  4. Step 4: Simplify right side
    205,136,728.40x = 18,932,959,080,519,296
  5. Step 5: Solve for x
    x = 18,932,959,080,519,296/205,136,728.40
  6. Step 6: Final answer
    x = 92,294,340.60

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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.