Home / 205,705,392.75-308,557,241.21-74,516,950.25

Finding the Fourth Proportional to 205,705,392.75, 308,557,241.21 and 74,516,950.25

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Solution

The fourth proportional to 205,705,392.75, 308,557,241.21 and 74,516,950.25 is: 111,775,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,705,392.75 : 308,557,241.21 = 74,516,950.25 : x
  2. Step 2: Convert to fraction form
    205,705,392.75/308,557,241.21 = 74,516,950.25/x
  3. Step 3: Cross multiply
    205,705,392.75x = 308,557,241.21 × 74,516,950.25
  4. Step 4: Simplify right side
    205,705,392.75x = 22,992,744,591,903,140
  5. Step 5: Solve for x
    x = 22,992,744,591,903,140/205,705,392.75
  6. Step 6: Final answer
    x = 111,775,118.21

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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.