Home / 154,318,786.71-213,136,670.52-101,631,020.66

Finding the Fourth Proportional to 154,318,786.71, 213,136,670.52 and 101,631,020.66

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Solution

The fourth proportional to 154,318,786.71, 213,136,670.52 and 101,631,020.66 is: 140,367,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,318,786.71 : 213,136,670.52 = 101,631,020.66 : x
  2. Step 2: Convert to fraction form
    154,318,786.71/213,136,670.52 = 101,631,020.66/x
  3. Step 3: Cross multiply
    154,318,786.71x = 213,136,670.52 × 101,631,020.66
  4. Step 4: Simplify right side
    154,318,786.71x = 21,661,297,364,755,312
  5. Step 5: Solve for x
    x = 21,661,297,364,755,312/154,318,786.71
  6. Step 6: Final answer
    x = 140,367,208.86

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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.