Home / 78,782,461.44-108,737,936.82-46,197,911.04

Finding the Fourth Proportional to 78,782,461.44, 108,737,936.82 and 46,197,911.04

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Solution

The fourth proportional to 78,782,461.44, 108,737,936.82 and 46,197,911.04 is: 63,763,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,461.44 : 108,737,936.82 = 46,197,911.04 : x
  2. Step 2: Convert to fraction form
    78,782,461.44/108,737,936.82 = 46,197,911.04/x
  3. Step 3: Cross multiply
    78,782,461.44x = 108,737,936.82 × 46,197,911.04
  4. Step 4: Simplify right side
    78,782,461.44x = 5,023,465,531,883,500
  5. Step 5: Solve for x
    x = 5,023,465,531,883,500/78,782,461.44
  6. Step 6: Final answer
    x = 63,763,754.52

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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.