Home / 217,205,697.40-325,808,546.10-193,397,140.60

Finding the Fourth Proportional to 217,205,697.40, 325,808,546.10 and 193,397,140.60

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Solution

The fourth proportional to 217,205,697.40, 325,808,546.10 and 193,397,140.60 is: 290,095,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,205,697.40 : 325,808,546.10 = 193,397,140.60 : x
  2. Step 2: Convert to fraction form
    217,205,697.40/325,808,546.10 = 193,397,140.60/x
  3. Step 3: Cross multiply
    217,205,697.40x = 325,808,546.10 × 193,397,140.60
  4. Step 4: Simplify right side
    217,205,697.40x = 63,010,441,198,783,288
  5. Step 5: Solve for x
    x = 63,010,441,198,783,288/217,205,697.40
  6. Step 6: Final answer
    x = 290,095,710.90

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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.