Home / 228,364,630.34-315,143,500.91-123,942,703.01

Finding the Fourth Proportional to 228,364,630.34, 315,143,500.91 and 123,942,703.01

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Solution

The fourth proportional to 228,364,630.34, 315,143,500.91 and 123,942,703.01 is: 171,041,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,630.34 : 315,143,500.91 = 123,942,703.01 : x
  2. Step 2: Convert to fraction form
    228,364,630.34/315,143,500.91 = 123,942,703.01/x
  3. Step 3: Cross multiply
    228,364,630.34x = 315,143,500.91 × 123,942,703.01
  4. Step 4: Simplify right side
    228,364,630.34x = 39,059,737,336,624,360
  5. Step 5: Solve for x
    x = 39,059,737,336,624,360/228,364,630.34
  6. Step 6: Final answer
    x = 171,041,098.96

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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.