Home / 273,353,990.72-377,228,261.52-154,301,647.64

Finding the Fourth Proportional to 273,353,990.72, 377,228,261.52 and 154,301,647.64

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Solution

The fourth proportional to 273,353,990.72, 377,228,261.52 and 154,301,647.64 is: 212,936,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,353,990.72 : 377,228,261.52 = 154,301,647.64 : x
  2. Step 2: Convert to fraction form
    273,353,990.72/377,228,261.52 = 154,301,647.64/x
  3. Step 3: Cross multiply
    273,353,990.72x = 377,228,261.52 × 154,301,647.64
  4. Step 4: Simplify right side
    273,353,990.72x = 58,206,942,288,908,800
  5. Step 5: Solve for x
    x = 58,206,942,288,908,800/273,353,990.72
  6. Step 6: Final answer
    x = 212,936,135.07

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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.