Home / 206,864,081.80-310,296,122.70-70,553,912.20

Finding the Fourth Proportional to 206,864,081.80, 310,296,122.70 and 70,553,912.20

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Solution

The fourth proportional to 206,864,081.80, 310,296,122.70 and 70,553,912.20 is: 105,830,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,081.80 : 310,296,122.70 = 70,553,912.20 : x
  2. Step 2: Convert to fraction form
    206,864,081.80/310,296,122.70 = 70,553,912.20/x
  3. Step 3: Cross multiply
    206,864,081.80x = 310,296,122.70 × 70,553,912.20
  4. Step 4: Simplify right side
    206,864,081.80x = 21,892,605,396,976,228
  5. Step 5: Solve for x
    x = 21,892,605,396,976,228/206,864,081.80
  6. Step 6: Final answer
    x = 105,830,868.30

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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.