Home / 72,938,449.51-109,415,336.56-23,758,135.38

Finding the Fourth Proportional to 72,938,449.51, 109,415,336.56 and 23,758,135.38

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Solution

The fourth proportional to 72,938,449.51, 109,415,336.56 and 23,758,135.38 is: 35,639,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,938,449.51 : 109,415,336.56 = 23,758,135.38 : x
  2. Step 2: Convert to fraction form
    72,938,449.51/109,415,336.56 = 23,758,135.38/x
  3. Step 3: Cross multiply
    72,938,449.51x = 109,415,336.56 × 23,758,135.38
  4. Step 4: Simplify right side
    72,938,449.51x = 2,599,504,378,581,348
  5. Step 5: Solve for x
    x = 2,599,504,378,581,348/72,938,449.51
  6. Step 6: Final answer
    x = 35,639,698.90

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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.