Home / 143,855,998.20-215,783,997.30-130,676,261.40

Finding the Fourth Proportional to 143,855,998.20, 215,783,997.30 and 130,676,261.40

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Solution

The fourth proportional to 143,855,998.20, 215,783,997.30 and 130,676,261.40 is: 196,014,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,855,998.20 : 215,783,997.30 = 130,676,261.40 : x
  2. Step 2: Convert to fraction form
    143,855,998.20/215,783,997.30 = 130,676,261.40/x
  3. Step 3: Cross multiply
    143,855,998.20x = 215,783,997.30 × 130,676,261.40
  4. Step 4: Simplify right side
    143,855,998.20x = 28,197,846,037,111,696
  5. Step 5: Solve for x
    x = 28,197,846,037,111,696/143,855,998.20
  6. Step 6: Final answer
    x = 196,014,392.10

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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.