Home / 251,492,116.68-347,059,137.69-139,980,564.39

Finding the Fourth Proportional to 251,492,116.68, 347,059,137.69 and 139,980,564.39

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Solution

The fourth proportional to 251,492,116.68, 347,059,137.69 and 139,980,564.39 is: 193,173,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,116.68 : 347,059,137.69 = 139,980,564.39 : x
  2. Step 2: Convert to fraction form
    251,492,116.68/347,059,137.69 = 139,980,564.39/x
  3. Step 3: Cross multiply
    251,492,116.68x = 347,059,137.69 × 139,980,564.39
  4. Step 4: Simplify right side
    251,492,116.68x = 48,581,533,970,552,912
  5. Step 5: Solve for x
    x = 48,581,533,970,552,912/251,492,116.68
  6. Step 6: Final answer
    x = 193,173,188.14

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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.