Home / 199,936,068.80-299,306,906.40-119,115,435.20

Finding the Fourth Proportional to 199,936,068.80, 299,306,906.40 and 119,115,435.20

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Solution

The fourth proportional to 199,936,068.80, 299,306,906.40 and 119,115,435.20 is: 178,317,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,936,068.80 : 299,306,906.40 = 119,115,435.20 : x
  2. Step 2: Convert to fraction form
    199,936,068.80/299,306,906.40 = 119,115,435.20/x
  3. Step 3: Cross multiply
    199,936,068.80x = 299,306,906.40 × 119,115,435.20
  4. Step 4: Simplify right side
    199,936,068.80x = 35,652,072,414,201,664
  5. Step 5: Solve for x
    x = 35,652,072,414,201,664/199,936,068.80
  6. Step 6: Final answer
    x = 178,317,362.29

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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.