Home / 131,029,669.20-196,544,503.80-100,796,581.20

Finding the Fourth Proportional to 131,029,669.20, 196,544,503.80 and 100,796,581.20

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Solution

The fourth proportional to 131,029,669.20, 196,544,503.80 and 100,796,581.20 is: 151,194,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,029,669.20 : 196,544,503.80 = 100,796,581.20 : x
  2. Step 2: Convert to fraction form
    131,029,669.20/196,544,503.80 = 100,796,581.20/x
  3. Step 3: Cross multiply
    131,029,669.20x = 196,544,503.80 × 100,796,581.20
  4. Step 4: Simplify right side
    131,029,669.20x = 19,811,014,036,690,412
  5. Step 5: Solve for x
    x = 19,811,014,036,690,412/131,029,669.20
  6. Step 6: Final answer
    x = 151,194,871.80

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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.