Home / 122,481,488.40-183,722,232.60-81,666,819.60

Finding the Fourth Proportional to 122,481,488.40, 183,722,232.60 and 81,666,819.60

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Solution

The fourth proportional to 122,481,488.40, 183,722,232.60 and 81,666,819.60 is: 122,500,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,488.40 : 183,722,232.60 = 81,666,819.60 : x
  2. Step 2: Convert to fraction form
    122,481,488.40/183,722,232.60 = 81,666,819.60/x
  3. Step 3: Cross multiply
    122,481,488.40x = 183,722,232.60 × 81,666,819.60
  4. Step 4: Simplify right side
    122,481,488.40x = 15,004,010,426,253,438
  5. Step 5: Solve for x
    x = 15,004,010,426,253,438/122,481,488.40
  6. Step 6: Final answer
    x = 122,500,229.40

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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.