Home / 54,785,136.40-75,605,864.77-30,338,850.40

Finding the Fourth Proportional to 54,785,136.40, 75,605,864.77 and 30,338,850.40

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Solution

The fourth proportional to 54,785,136.40, 75,605,864.77 and 30,338,850.40 is: 41,868,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785,136.40 : 75,605,864.77 = 30,338,850.40 : x
  2. Step 2: Convert to fraction form
    54,785,136.40/75,605,864.77 = 30,338,850.40/x
  3. Step 3: Cross multiply
    54,785,136.40x = 75,605,864.77 × 30,338,850.40
  4. Step 4: Simplify right side
    54,785,136.40x = 2,293,795,020,619,660
  5. Step 5: Solve for x
    x = 2,293,795,020,619,660/54,785,136.40
  6. Step 6: Final answer
    x = 41,868,929.63

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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.