Home / 266,659,894.32-368,004,948.48-149,178,217.92

Finding the Fourth Proportional to 266,659,894.32, 368,004,948.48 and 149,178,217.92

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Solution

The fourth proportional to 266,659,894.32, 368,004,948.48 and 149,178,217.92 is: 205,873,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,659,894.32 : 368,004,948.48 = 149,178,217.92 : x
  2. Step 2: Convert to fraction form
    266,659,894.32/368,004,948.48 = 149,178,217.92/x
  3. Step 3: Cross multiply
    266,659,894.32x = 368,004,948.48 × 149,178,217.92
  4. Step 4: Simplify right side
    266,659,894.32x = 54,898,322,399,987,808
  5. Step 5: Solve for x
    x = 54,898,322,399,987,808/266,659,894.32
  6. Step 6: Final answer
    x = 205,873,937.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.