Home / 80,305,990.48-110,822,931.24-43,636,561.60

Finding the Fourth Proportional to 80,305,990.48, 110,822,931.24 and 43,636,561.60

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Solution

The fourth proportional to 80,305,990.48, 110,822,931.24 and 43,636,561.60 is: 60,218,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,305,990.48 : 110,822,931.24 = 43,636,561.60 : x
  2. Step 2: Convert to fraction form
    80,305,990.48/110,822,931.24 = 43,636,561.60/x
  3. Step 3: Cross multiply
    80,305,990.48x = 110,822,931.24 × 43,636,561.60
  4. Step 4: Simplify right side
    80,305,990.48x = 4,835,931,665,746,824
  5. Step 5: Solve for x
    x = 4,835,931,665,746,824/80,305,990.48
  6. Step 6: Final answer
    x = 60,218,816.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.