Home / 210,086,527.84-289,967,781.84-123,194,393.44

Finding the Fourth Proportional to 210,086,527.84, 289,967,781.84 and 123,194,393.44

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Solution

The fourth proportional to 210,086,527.84, 289,967,781.84 and 123,194,393.44 is: 170,036,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,086,527.84 : 289,967,781.84 = 123,194,393.44 : x
  2. Step 2: Convert to fraction form
    210,086,527.84/289,967,781.84 = 123,194,393.44/x
  3. Step 3: Cross multiply
    210,086,527.84x = 289,967,781.84 × 123,194,393.44
  4. Step 4: Simplify right side
    210,086,527.84x = 35,722,405,000,921,044
  5. Step 5: Solve for x
    x = 35,722,405,000,921,044/210,086,527.84
  6. Step 6: Final answer
    x = 170,036,629.04

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1.5x scale

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.