Home / 203,890,650.84-305,988,288.06-138,155,924.64

Finding the Fourth Proportional to 203,890,650.84, 305,988,288.06 and 138,155,924.64

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Solution

The fourth proportional to 203,890,650.84, 305,988,288.06 and 138,155,924.64 is: 207,337,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,890,650.84 : 305,988,288.06 = 138,155,924.64 : x
  2. Step 2: Convert to fraction form
    203,890,650.84/305,988,288.06 = 138,155,924.64/x
  3. Step 3: Cross multiply
    203,890,650.84x = 305,988,288.06 × 138,155,924.64
  4. Step 4: Simplify right side
    203,890,650.84x = 42,274,094,865,939,968
  5. Step 5: Solve for x
    x = 42,274,094,865,939,968/203,890,650.84
  6. Step 6: Final answer
    x = 207,337,093.15

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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.