Home / 254,984,128.70-382,476,193.05-82,584,668.30

Finding the Fourth Proportional to 254,984,128.70, 382,476,193.05 and 82,584,668.30

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Solution

The fourth proportional to 254,984,128.70, 382,476,193.05 and 82,584,668.30 is: 123,877,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,984,128.70 : 382,476,193.05 = 82,584,668.30 : x
  2. Step 2: Convert to fraction form
    254,984,128.70/382,476,193.05 = 82,584,668.30/x
  3. Step 3: Cross multiply
    254,984,128.70x = 382,476,193.05 × 82,584,668.30
  4. Step 4: Simplify right side
    254,984,128.70x = 31,586,669,535,681,016
  5. Step 5: Solve for x
    x = 31,586,669,535,681,016/254,984,128.70
  6. Step 6: Final answer
    x = 123,877,002.45

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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.