Home / 122,440,130.47-168,967,380.10-67,435,986.97

Finding the Fourth Proportional to 122,440,130.47, 168,967,380.10 and 67,435,986.97

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Solution

The fourth proportional to 122,440,130.47, 168,967,380.10 and 67,435,986.97 is: 93,061,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,440,130.47 : 168,967,380.10 = 67,435,986.97 : x
  2. Step 2: Convert to fraction form
    122,440,130.47/168,967,380.10 = 67,435,986.97/x
  3. Step 3: Cross multiply
    122,440,130.47x = 168,967,380.10 × 67,435,986.97
  4. Step 4: Simplify right side
    122,440,130.47x = 11,394,482,042,778,636
  5. Step 5: Solve for x
    x = 11,394,482,042,778,636/122,440,130.47
  6. Step 6: Final answer
    x = 93,061,662.05

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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.