Home / 149,105,042.07-205,762,996.76-82,122,714.15

Finding the Fourth Proportional to 149,105,042.07, 205,762,996.76 and 82,122,714.15

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Solution

The fourth proportional to 149,105,042.07, 205,762,996.76 and 82,122,714.15 is: 113,328,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,105,042.07 : 205,762,996.76 = 82,122,714.15 : x
  2. Step 2: Convert to fraction form
    149,105,042.07/205,762,996.76 = 82,122,714.15/x
  3. Step 3: Cross multiply
    149,105,042.07x = 205,762,996.76 × 82,122,714.15
  4. Step 4: Simplify right side
    149,105,042.07x = 16,897,815,765,158,244
  5. Step 5: Solve for x
    x = 16,897,815,765,158,244/149,105,042.07
  6. Step 6: Final answer
    x = 113,328,265.30

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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.