Home / 122,185,410.60-183,278,115.90-83,443,361.70

Finding the Fourth Proportional to 122,185,410.60, 183,278,115.90 and 83,443,361.70

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Solution

The fourth proportional to 122,185,410.60, 183,278,115.90 and 83,443,361.70 is: 125,165,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,185,410.60 : 183,278,115.90 = 83,443,361.70 : x
  2. Step 2: Convert to fraction form
    122,185,410.60/183,278,115.90 = 83,443,361.70/x
  3. Step 3: Cross multiply
    122,185,410.60x = 183,278,115.90 × 83,443,361.70
  4. Step 4: Simplify right side
    122,185,410.60x = 15,293,342,116,738,222
  5. Step 5: Solve for x
    x = 15,293,342,116,738,222/122,185,410.60
  6. Step 6: Final answer
    x = 125,165,042.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.