Home / 74,660,928.30-103,032,059.55-40,322,112.30

Finding the Fourth Proportional to 74,660,928.30, 103,032,059.55 and 40,322,112.30

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Solution

The fourth proportional to 74,660,928.30, 103,032,059.55 and 40,322,112.30 is: 55,644,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660,928.30 : 103,032,059.55 = 40,322,112.30 : x
  2. Step 2: Convert to fraction form
    74,660,928.30/103,032,059.55 = 40,322,112.30/x
  3. Step 3: Cross multiply
    74,660,928.30x = 103,032,059.55 × 40,322,112.30
  4. Step 4: Simplify right side
    74,660,928.30x = 4,154,470,275,675,387
  5. Step 5: Solve for x
    x = 4,154,470,275,675,387/74,660,928.30
  6. Step 6: Final answer
    x = 55,644,503.36

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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.