Home / 251,492,112.54-347,059,131.99-139,980,560.26

Finding the Fourth Proportional to 251,492,112.54, 347,059,131.99 and 139,980,560.26

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Solution

The fourth proportional to 251,492,112.54, 347,059,131.99 and 139,980,560.26 is: 193,173,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,112.54 : 347,059,131.99 = 139,980,560.26 : x
  2. Step 2: Convert to fraction form
    251,492,112.54/347,059,131.99 = 139,980,560.26/x
  3. Step 3: Cross multiply
    251,492,112.54x = 347,059,131.99 × 139,980,560.26
  4. Step 4: Simplify right side
    251,492,112.54x = 48,581,531,739,309,488
  5. Step 5: Solve for x
    x = 48,581,531,739,309,488/251,492,112.54
  6. Step 6: Final answer
    x = 193,173,182.45

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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.