Home / 196,722,032.20-295,272,005.10-99,787,193.80

Finding the Fourth Proportional to 196,722,032.20, 295,272,005.10 and 99,787,193.80

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Solution

The fourth proportional to 196,722,032.20, 295,272,005.10 and 99,787,193.80 is: 149,776,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,722,032.20 : 295,272,005.10 = 99,787,193.80 : x
  2. Step 2: Convert to fraction form
    196,722,032.20/295,272,005.10 = 99,787,193.80/x
  3. Step 3: Cross multiply
    196,722,032.20x = 295,272,005.10 × 99,787,193.80
  4. Step 4: Simplify right side
    196,722,032.20x = 29,464,364,796,628,288
  5. Step 5: Solve for x
    x = 29,464,364,796,628,288/196,722,032.20
  6. Step 6: Final answer
    x = 149,776,638.98

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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.