Home / 108,630,963.17-149,906,165.87-61,591,201.16

Finding the Fourth Proportional to 108,630,963.17, 149,906,165.87 and 61,591,201.16

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Solution

The fourth proportional to 108,630,963.17, 149,906,165.87 and 61,591,201.16 is: 84,993,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,963.17 : 149,906,165.87 = 61,591,201.16 : x
  2. Step 2: Convert to fraction form
    108,630,963.17/149,906,165.87 = 61,591,201.16/x
  3. Step 3: Cross multiply
    108,630,963.17x = 149,906,165.87 × 61,591,201.16
  4. Step 4: Simplify right side
    108,630,963.17x = 9,232,900,816,166,010
  5. Step 5: Solve for x
    x = 9,232,900,816,166,010/108,630,963.17
  6. Step 6: Final answer
    x = 84,993,270.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.