Home / 251,492,112.92-347,059,132.51-139,980,560.63

Finding the Fourth Proportional to 251,492,112.92, 347,059,132.51 and 139,980,560.63

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Solution

The fourth proportional to 251,492,112.92, 347,059,132.51 and 139,980,560.63 is: 193,173,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,112.92 : 347,059,132.51 = 139,980,560.63 : x
  2. Step 2: Convert to fraction form
    251,492,112.92/347,059,132.51 = 139,980,560.63/x
  3. Step 3: Cross multiply
    251,492,112.92x = 347,059,132.51 × 139,980,560.63
  4. Step 4: Simplify right side
    251,492,112.92x = 48,581,531,941,028,952
  5. Step 5: Solve for x
    x = 48,581,531,941,028,952/251,492,112.92
  6. Step 6: Final answer
    x = 193,173,182.96

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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.