Home / 228,364,075.52-315,142,728.30-123,942,146.84

Finding the Fourth Proportional to 228,364,075.52, 315,142,728.30 and 123,942,146.84

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Solution

The fourth proportional to 228,364,075.52, 315,142,728.30 and 123,942,146.84 is: 171,040,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,075.52 : 315,142,728.30 = 123,942,146.84 : x
  2. Step 2: Convert to fraction form
    228,364,075.52/315,142,728.30 = 123,942,146.84/x
  3. Step 3: Cross multiply
    228,364,075.52x = 315,142,728.30 × 123,942,146.84
  4. Step 4: Simplify right side
    228,364,075.52x = 39,059,466,304,321,400
  5. Step 5: Solve for x
    x = 39,059,466,304,321,400/228,364,075.52
  6. Step 6: Final answer
    x = 171,040,327.67

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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.