Home / 161,756,728.80-242,635,093.20-100,534,725.60

Finding the Fourth Proportional to 161,756,728.80, 242,635,093.20 and 100,534,725.60

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Solution

The fourth proportional to 161,756,728.80, 242,635,093.20 and 100,534,725.60 is: 150,802,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,756,728.80 : 242,635,093.20 = 100,534,725.60 : x
  2. Step 2: Convert to fraction form
    161,756,728.80/242,635,093.20 = 100,534,725.60/x
  3. Step 3: Cross multiply
    161,756,728.80x = 242,635,093.20 × 100,534,725.60
  4. Step 4: Simplify right side
    161,756,728.80x = 24,393,252,515,792,424
  5. Step 5: Solve for x
    x = 24,393,252,515,792,424/161,756,728.80
  6. Step 6: Final answer
    x = 150,802,088.40

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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.