Home / 242,528,665.60-363,796,108.80-80,970,601.60

Finding the Fourth Proportional to 242,528,665.60, 363,796,108.80 and 80,970,601.60

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Solution

The fourth proportional to 242,528,665.60, 363,796,108.80 and 80,970,601.60 is: 121,456,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,528,665.60 : 363,796,108.80 = 80,970,601.60 : x
  2. Step 2: Convert to fraction form
    242,528,665.60/363,796,108.80 = 80,970,601.60/x
  3. Step 3: Cross multiply
    242,528,665.60x = 363,796,108.80 × 80,970,601.60
  4. Step 4: Simplify right side
    242,528,665.60x = 29,456,789,789,275,052
  5. Step 5: Solve for x
    x = 29,456,789,789,275,052/242,528,665.60
  6. Step 6: Final answer
    x = 121,456,940.84

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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.