Home / 196,014,920.80-294,022,381.20-165,403,919.20

Finding the Fourth Proportional to 196,014,920.80, 294,022,381.20 and 165,403,919.20

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Solution

The fourth proportional to 196,014,920.80, 294,022,381.20 and 165,403,919.20 is: 248,105,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,014,920.80 : 294,022,381.20 = 165,403,919.20 : x
  2. Step 2: Convert to fraction form
    196,014,920.80/294,022,381.20 = 165,403,919.20/x
  3. Step 3: Cross multiply
    196,014,920.80x = 294,022,381.20 × 165,403,919.20
  4. Step 4: Simplify right side
    196,014,920.80x = 48,632,454,182,996,392
  5. Step 5: Solve for x
    x = 48,632,454,182,996,392/196,014,920.80
  6. Step 6: Final answer
    x = 248,105,878.80

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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.