Home / 122,087,731.80-183,131,597.70-45,394,890.60

Finding the Fourth Proportional to 122,087,731.80, 183,131,597.70 and 45,394,890.60

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Solution

The fourth proportional to 122,087,731.80, 183,131,597.70 and 45,394,890.60 is: 68,092,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,087,731.80 : 183,131,597.70 = 45,394,890.60 : x
  2. Step 2: Convert to fraction form
    122,087,731.80/183,131,597.70 = 45,394,890.60/x
  3. Step 3: Cross multiply
    122,087,731.80x = 183,131,597.70 × 45,394,890.60
  4. Step 4: Simplify right side
    122,087,731.80x = 8,313,238,842,994,711
  5. Step 5: Solve for x
    x = 8,313,238,842,994,711/122,087,731.80
  6. Step 6: Final answer
    x = 68,092,335.90

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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.