Home / 39,245,155.66-54,158,314.95-21,845,611.25

Finding the Fourth Proportional to 39,245,155.66, 54,158,314.95 and 21,845,611.25

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Solution

The fourth proportional to 39,245,155.66, 54,158,314.95 and 21,845,611.25 is: 30,146,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,155.66 : 54,158,314.95 = 21,845,611.25 : x
  2. Step 2: Convert to fraction form
    39,245,155.66/54,158,314.95 = 21,845,611.25/x
  3. Step 3: Cross multiply
    39,245,155.66x = 54,158,314.95 × 21,845,611.25
  4. Step 4: Simplify right side
    39,245,155.66x = 1,183,121,494,352,763.25
  5. Step 5: Solve for x
    x = 1,183,121,494,352,763.25/39,245,155.66
  6. Step 6: Final answer
    x = 30,146,943.60

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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.