Home / 45,420,564.80-68,018,872.80-30,192,046.40

Finding the Fourth Proportional to 45,420,564.80, 68,018,872.80 and 30,192,046.40

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Solution

The fourth proportional to 45,420,564.80, 68,018,872.80 and 30,192,046.40 is: 45,213,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420,564.80 : 68,018,872.80 = 30,192,046.40 : x
  2. Step 2: Convert to fraction form
    45,420,564.80/68,018,872.80 = 30,192,046.40/x
  3. Step 3: Cross multiply
    45,420,564.80x = 68,018,872.80 × 30,192,046.40
  4. Step 4: Simplify right side
    45,420,564.80x = 2,053,628,963,653,297.75
  5. Step 5: Solve for x
    x = 2,053,628,963,653,297.75/45,420,564.80
  6. Step 6: Final answer
    x = 45,213,637.76

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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.