Home / 206,712,014.80-310,068,022.20-168,448,262.80

Finding the Fourth Proportional to 206,712,014.80, 310,068,022.20 and 168,448,262.80

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Solution

The fourth proportional to 206,712,014.80, 310,068,022.20 and 168,448,262.80 is: 252,672,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,712,014.80 : 310,068,022.20 = 168,448,262.80 : x
  2. Step 2: Convert to fraction form
    206,712,014.80/310,068,022.20 = 168,448,262.80/x
  3. Step 3: Cross multiply
    206,712,014.80x = 310,068,022.20 × 168,448,262.80
  4. Step 4: Simplify right side
    206,712,014.80x = 52,230,419,689,421,832
  5. Step 5: Solve for x
    x = 52,230,419,689,421,832/206,712,014.80
  6. Step 6: Final answer
    x = 252,672,394.20

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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.