Home / 122,354,153.90-168,853,187.94-66,596,881.46

Finding the Fourth Proportional to 122,354,153.90, 168,853,187.94 and 66,596,881.46

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Solution

The fourth proportional to 122,354,153.90, 168,853,187.94 and 66,596,881.46 is: 91,906,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,354,153.90 : 168,853,187.94 = 66,596,881.46 : x
  2. Step 2: Convert to fraction form
    122,354,153.90/168,853,187.94 = 66,596,881.46/x
  3. Step 3: Cross multiply
    122,354,153.90x = 168,853,187.94 × 66,596,881.46
  4. Step 4: Simplify right side
    122,354,153.90x = 11,245,095,741,383,282
  5. Step 5: Solve for x
    x = 11,245,095,741,383,282/122,354,153.90
  6. Step 6: Final answer
    x = 91,906,121.56

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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.