Home / 131,014,300.20-196,521,450.30-100,781,212.20

Finding the Fourth Proportional to 131,014,300.20, 196,521,450.30 and 100,781,212.20

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Solution

The fourth proportional to 131,014,300.20, 196,521,450.30 and 100,781,212.20 is: 151,171,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014,300.20 : 196,521,450.30 = 100,781,212.20 : x
  2. Step 2: Convert to fraction form
    131,014,300.20/196,521,450.30 = 100,781,212.20/x
  3. Step 3: Cross multiply
    131,014,300.20x = 196,521,450.30 × 100,781,212.20
  4. Step 4: Simplify right side
    131,014,300.20x = 19,805,669,984,536,056
  5. Step 5: Solve for x
    x = 19,805,669,984,536,056/131,014,300.20
  6. Step 6: Final answer
    x = 151,171,818.30

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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.