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Finding the Fourth Proportional to 55,746,676.80, 83,620,015.20 and 44,267,551.20

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Solution

The fourth proportional to 55,746,676.80, 83,620,015.20 and 44,267,551.20 is: 66,401,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746,676.80 : 83,620,015.20 = 44,267,551.20 : x
  2. Step 2: Convert to fraction form
    55,746,676.80/83,620,015.20 = 44,267,551.20/x
  3. Step 3: Cross multiply
    55,746,676.80x = 83,620,015.20 × 44,267,551.20
  4. Step 4: Simplify right side
    55,746,676.80x = 3,701,653,304,210,778.50
  5. Step 5: Solve for x
    x = 3,701,653,304,210,778.50/55,746,676.80
  6. Step 6: Final answer
    x = 66,401,326.80

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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.