Home / 230,323,583.30-345,485,376.57-76,969,639.94

Finding the Fourth Proportional to 230,323,583.30, 345,485,376.57 and 76,969,639.94

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Solution

The fourth proportional to 230,323,583.30, 345,485,376.57 and 76,969,639.94 is: 115,454,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,323,583.30 : 345,485,376.57 = 76,969,639.94 : x
  2. Step 2: Convert to fraction form
    230,323,583.30/345,485,376.57 = 76,969,639.94/x
  3. Step 3: Cross multiply
    230,323,583.30x = 345,485,376.57 × 76,969,639.94
  4. Step 4: Simplify right side
    230,323,583.30x = 26,591,885,039,128,212
  5. Step 5: Solve for x
    x = 26,591,885,039,128,212/230,323,583.30
  6. Step 6: Final answer
    x = 115,454,460.45

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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.