Home / 209,952,761.70-314,929,142.55-133,362,272.10

Finding the Fourth Proportional to 209,952,761.70, 314,929,142.55 and 133,362,272.10

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Solution

The fourth proportional to 209,952,761.70, 314,929,142.55 and 133,362,272.10 is: 200,043,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,761.70 : 314,929,142.55 = 133,362,272.10 : x
  2. Step 2: Convert to fraction form
    209,952,761.70/314,929,142.55 = 133,362,272.10/x
  3. Step 3: Cross multiply
    209,952,761.70x = 314,929,142.55 × 133,362,272.10
  4. Step 4: Simplify right side
    209,952,761.70x = 41,999,666,000,972,784
  5. Step 5: Solve for x
    x = 41,999,666,000,972,784/209,952,761.70
  6. Step 6: Final answer
    x = 200,043,408.15

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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.