Home / 122,481,640.60-183,722,460.90-81,666,971.80

Finding the Fourth Proportional to 122,481,640.60, 183,722,460.90 and 81,666,971.80

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Solution

The fourth proportional to 122,481,640.60, 183,722,460.90 and 81,666,971.80 is: 122,500,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,640.60 : 183,722,460.90 = 81,666,971.80 : x
  2. Step 2: Convert to fraction form
    122,481,640.60/183,722,460.90 = 81,666,971.80/x
  3. Step 3: Cross multiply
    122,481,640.60x = 183,722,460.90 × 81,666,971.80
  4. Step 4: Simplify right side
    122,481,640.60x = 15,004,057,033,346,902
  5. Step 5: Solve for x
    x = 15,004,057,033,346,902/122,481,640.60
  6. Step 6: Final answer
    x = 122,500,457.70

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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.