Home / 191,726,203.20-287,589,304.80-161,115,201.60

Finding the Fourth Proportional to 191,726,203.20, 287,589,304.80 and 161,115,201.60

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Solution

The fourth proportional to 191,726,203.20, 287,589,304.80 and 161,115,201.60 is: 241,672,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,726,203.20 : 287,589,304.80 = 161,115,201.60 : x
  2. Step 2: Convert to fraction form
    191,726,203.20/287,589,304.80 = 161,115,201.60/x
  3. Step 3: Cross multiply
    191,726,203.20x = 287,589,304.80 × 161,115,201.60
  4. Step 4: Simplify right side
    191,726,203.20x = 46,335,008,820,855,848
  5. Step 5: Solve for x
    x = 46,335,008,820,855,848/191,726,203.20
  6. Step 6: Final answer
    x = 241,672,802.40

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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.