Home / 228,364,077.26-315,142,730.71-123,942,148.58

Finding the Fourth Proportional to 228,364,077.26, 315,142,730.71 and 123,942,148.58

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Solution

The fourth proportional to 228,364,077.26, 315,142,730.71 and 123,942,148.58 is: 171,040,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,077.26 : 315,142,730.71 = 123,942,148.58 : x
  2. Step 2: Convert to fraction form
    228,364,077.26/315,142,730.71 = 123,942,148.58/x
  3. Step 3: Cross multiply
    228,364,077.26x = 315,142,730.71 × 123,942,148.58
  4. Step 4: Simplify right side
    228,364,077.26x = 39,059,467,154,043,744
  5. Step 5: Solve for x
    x = 39,059,467,154,043,744/228,364,077.26
  6. Step 6: Final answer
    x = 171,040,330.08

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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.