Home / 122,342,941.89-168,838,046.46-67,343,915.97

Finding the Fourth Proportional to 122,342,941.89, 168,838,046.46 and 67,343,915.97

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Solution

The fourth proportional to 122,342,941.89, 168,838,046.46 and 67,343,915.97 is: 92,937,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,342,941.89 : 168,838,046.46 = 67,343,915.97 : x
  2. Step 2: Convert to fraction form
    122,342,941.89/168,838,046.46 = 67,343,915.97/x
  3. Step 3: Cross multiply
    122,342,941.89x = 168,838,046.46 × 67,343,915.97
  4. Step 4: Simplify right side
    122,342,941.89x = 11,370,215,213,341,196
  5. Step 5: Solve for x
    x = 11,370,215,213,341,196/122,342,941.89
  6. Step 6: Final answer
    x = 92,937,238.86

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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.