Home / 209,961,534.20-314,942,301.30-133,056,116.60

Finding the Fourth Proportional to 209,961,534.20, 314,942,301.30 and 133,056,116.60

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Solution

The fourth proportional to 209,961,534.20, 314,942,301.30 and 133,056,116.60 is: 199,584,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961,534.20 : 314,942,301.30 = 133,056,116.60 : x
  2. Step 2: Convert to fraction form
    209,961,534.20/314,942,301.30 = 133,056,116.60/x
  3. Step 3: Cross multiply
    209,961,534.20x = 314,942,301.30 × 133,056,116.60
  4. Step 4: Simplify right side
    209,961,534.20x = 41,904,999,564,045,128
  5. Step 5: Solve for x
    x = 41,904,999,564,045,128/209,961,534.20
  6. Step 6: Final answer
    x = 199,584,174.90

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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.