Home / 228,364,135.36-315,142,811.04-123,942,206.72

Finding the Fourth Proportional to 228,364,135.36, 315,142,811.04 and 123,942,206.72

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Solution

The fourth proportional to 228,364,135.36, 315,142,811.04 and 123,942,206.72 is: 171,040,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,135.36 : 315,142,811.04 = 123,942,206.72 : x
  2. Step 2: Convert to fraction form
    228,364,135.36/315,142,811.04 = 123,942,206.72/x
  3. Step 3: Cross multiply
    228,364,135.36x = 315,142,811.04 × 123,942,206.72
  4. Step 4: Simplify right side
    228,364,135.36x = 39,059,495,432,241,584
  5. Step 5: Solve for x
    x = 39,059,495,432,241,584/228,364,135.36
  6. Step 6: Final answer
    x = 171,040,410.40

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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.