Home / 122,446,935.90-168,970,394.25-76,036,200.66

Finding the Fourth Proportional to 122,446,935.90, 168,970,394.25 and 76,036,200.66

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Solution

The fourth proportional to 122,446,935.90, 168,970,394.25 and 76,036,200.66 is: 104,925,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,446,935.90 : 168,970,394.25 = 76,036,200.66 : x
  2. Step 2: Convert to fraction form
    122,446,935.90/168,970,394.25 = 76,036,200.66/x
  3. Step 3: Cross multiply
    122,446,935.90x = 168,970,394.25 × 76,036,200.66
  4. Step 4: Simplify right side
    122,446,935.90x = 12,847,866,802,792,310
  5. Step 5: Solve for x
    x = 12,847,866,802,792,310/122,446,935.90
  6. Step 6: Final answer
    x = 104,925,996.79

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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.