Home / 122,476,821.80-183,715,232.70-74,009,402.60

Finding the Fourth Proportional to 122,476,821.80, 183,715,232.70 and 74,009,402.60

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Solution

The fourth proportional to 122,476,821.80, 183,715,232.70 and 74,009,402.60 is: 111,014,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476,821.80 : 183,715,232.70 = 74,009,402.60 : x
  2. Step 2: Convert to fraction form
    122,476,821.80/183,715,232.70 = 74,009,402.60/x
  3. Step 3: Cross multiply
    122,476,821.80x = 183,715,232.70 × 74,009,402.60
  4. Step 4: Simplify right side
    122,476,821.80x = 13,596,654,620,646,984
  5. Step 5: Solve for x
    x = 13,596,654,620,646,984/122,476,821.80
  6. Step 6: Final answer
    x = 111,014,103.90

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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.