Home / 230,323,583.55-345,485,376.95-76,969,640.19

Finding the Fourth Proportional to 230,323,583.55, 345,485,376.95 and 76,969,640.19

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Solution

The fourth proportional to 230,323,583.55, 345,485,376.95 and 76,969,640.19 is: 115,454,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,323,583.55 : 345,485,376.95 = 76,969,640.19 : x
  2. Step 2: Convert to fraction form
    230,323,583.55/345,485,376.95 = 76,969,640.19/x
  3. Step 3: Cross multiply
    230,323,583.55x = 345,485,376.95 × 76,969,640.19
  4. Step 4: Simplify right side
    230,323,583.55x = 26,591,885,154,363,172
  5. Step 5: Solve for x
    x = 26,591,885,154,363,172/230,323,583.55
  6. Step 6: Final answer
    x = 115,454,460.83

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1.5x scale

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.