Home / 84,032,426.60-125,906,922.30-69,577,231.40

Finding the Fourth Proportional to 84,032,426.60, 125,906,922.30 and 69,577,231.40

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Solution

The fourth proportional to 84,032,426.60, 125,906,922.30 and 69,577,231.40 is: 104,248,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032,426.60 : 125,906,922.30 = 69,577,231.40 : x
  2. Step 2: Convert to fraction form
    84,032,426.60/125,906,922.30 = 69,577,231.40/x
  3. Step 3: Cross multiply
    84,032,426.60x = 125,906,922.30 × 69,577,231.40
  4. Step 4: Simplify right side
    84,032,426.60x = 8,760,255,067,728,921
  5. Step 5: Solve for x
    x = 8,760,255,067,728,921/84,032,426.60
  6. Step 6: Final answer
    x = 104,248,507.66

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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.