Home / 138,603,297.76-191,241,972.02-82,059,967.26

Finding the Fourth Proportional to 138,603,297.76, 191,241,972.02 and 82,059,967.26

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Solution

The fourth proportional to 138,603,297.76, 191,241,972.02 and 82,059,967.26 is: 113,224,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,603,297.76 : 191,241,972.02 = 82,059,967.26 : x
  2. Step 2: Convert to fraction form
    138,603,297.76/191,241,972.02 = 82,059,967.26/x
  3. Step 3: Cross multiply
    138,603,297.76x = 191,241,972.02 × 82,059,967.26
  4. Step 4: Simplify right side
    138,603,297.76x = 15,693,309,962,699,038
  5. Step 5: Solve for x
    x = 15,693,309,962,699,038/138,603,297.76
  6. Step 6: Final answer
    x = 113,224,650.61

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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.