Home / 54,909,519.78-75,774,640.41-30,129,235.14

Finding the Fourth Proportional to 54,909,519.78, 75,774,640.41 and 30,129,235.14

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Solution

The fourth proportional to 54,909,519.78, 75,774,640.41 and 30,129,235.14 is: 41,578,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909,519.78 : 75,774,640.41 = 30,129,235.14 : x
  2. Step 2: Convert to fraction form
    54,909,519.78/75,774,640.41 = 30,129,235.14/x
  3. Step 3: Cross multiply
    54,909,519.78x = 75,774,640.41 × 30,129,235.14
  4. Step 4: Simplify right side
    54,909,519.78x = 2,283,031,958,561,836
  5. Step 5: Solve for x
    x = 2,283,031,958,561,836/54,909,519.78
  6. Step 6: Final answer
    x = 41,578,071.85

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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.