Home / 148,781,326.36-205,304,135.34-82,693,977.16

Finding the Fourth Proportional to 148,781,326.36, 205,304,135.34 and 82,693,977.16

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Solution

The fourth proportional to 148,781,326.36, 205,304,135.34 and 82,693,977.16 is: 114,109,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,781,326.36 : 205,304,135.34 = 82,693,977.16 : x
  2. Step 2: Convert to fraction form
    148,781,326.36/205,304,135.34 = 82,693,977.16/x
  3. Step 3: Cross multiply
    148,781,326.36x = 205,304,135.34 × 82,693,977.16
  4. Step 4: Simplify right side
    148,781,326.36x = 16,977,415,478,659,508
  5. Step 5: Solve for x
    x = 16,977,415,478,659,508/148,781,326.36
  6. Step 6: Final answer
    x = 114,109,854.33

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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.