Home / 199,261,680.60-299,018,492.10-117,380,400.60

Finding the Fourth Proportional to 199,261,680.60, 299,018,492.10 and 117,380,400.60

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Solution

The fourth proportional to 199,261,680.60, 299,018,492.10 and 117,380,400.60 is: 176,144,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,261,680.60 : 299,018,492.10 = 117,380,400.60 : x
  2. Step 2: Convert to fraction form
    199,261,680.60/299,018,492.10 = 117,380,400.60/x
  3. Step 3: Cross multiply
    199,261,680.60x = 299,018,492.10 × 117,380,400.60
  4. Step 4: Simplify right side
    199,261,680.60x = 35,098,910,389,505,936
  5. Step 5: Solve for x
    x = 35,098,910,389,505,936/199,261,680.60
  6. Step 6: Final answer
    x = 176,144,807.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.