Home / 230,323,582.80-345,485,375.82-76,969,639.44

Finding the Fourth Proportional to 230,323,582.80, 345,485,375.82 and 76,969,639.44

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Solution

The fourth proportional to 230,323,582.80, 345,485,375.82 and 76,969,639.44 is: 115,454,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,323,582.80 : 345,485,375.82 = 76,969,639.44 : x
  2. Step 2: Convert to fraction form
    230,323,582.80/345,485,375.82 = 76,969,639.44/x
  3. Step 3: Cross multiply
    230,323,582.80x = 345,485,375.82 × 76,969,639.44
  4. Step 4: Simplify right side
    230,323,582.80x = 26,591,884,808,658,292
  5. Step 5: Solve for x
    x = 26,591,884,808,658,292/230,323,582.80
  6. Step 6: Final answer
    x = 115,454,459.70

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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.