Home / 194,017,127.40-290,600,538.30-172,476,052.20

Finding the Fourth Proportional to 194,017,127.40, 290,600,538.30 and 172,476,052.20

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Solution

The fourth proportional to 194,017,127.40, 290,600,538.30 and 172,476,052.20 is: 258,336,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,127.40 : 290,600,538.30 = 172,476,052.20 : x
  2. Step 2: Convert to fraction form
    194,017,127.40/290,600,538.30 = 172,476,052.20/x
  3. Step 3: Cross multiply
    194,017,127.40x = 290,600,538.30 × 172,476,052.20
  4. Step 4: Simplify right side
    194,017,127.40x = 50,121,633,613,178,896
  5. Step 5: Solve for x
    x = 50,121,633,613,178,896/194,017,127.40
  6. Step 6: Final answer
    x = 258,336,128.80

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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.