Home / 55,717,677.45-76,890,394.62-31,271,391.45

Finding the Fourth Proportional to 55,717,677.45, 76,890,394.62 and 31,271,391.45

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Solution

The fourth proportional to 55,717,677.45, 76,890,394.62 and 31,271,391.45 is: 43,154,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,717,677.45 : 76,890,394.62 = 31,271,391.45 : x
  2. Step 2: Convert to fraction form
    55,717,677.45/76,890,394.62 = 31,271,391.45/x
  3. Step 3: Cross multiply
    55,717,677.45x = 76,890,394.62 × 31,271,391.45
  4. Step 4: Simplify right side
    55,717,677.45x = 2,404,469,628,906,994
  5. Step 5: Solve for x
    x = 2,404,469,628,906,994/55,717,677.45
  6. Step 6: Final answer
    x = 43,154,520.05

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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.