Home / 122,532,376.40-183,546,622.20-84,237,131.60

Finding the Fourth Proportional to 122,532,376.40, 183,546,622.20 and 84,237,131.60

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Solution

The fourth proportional to 122,532,376.40, 183,546,622.20 and 84,237,131.60 is: 126,182,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532,376.40 : 183,546,622.20 = 84,237,131.60 : x
  2. Step 2: Convert to fraction form
    122,532,376.40/183,546,622.20 = 84,237,131.60/x
  3. Step 3: Cross multiply
    122,532,376.40x = 183,546,622.20 × 84,237,131.60
  4. Step 4: Simplify right side
    122,532,376.40x = 15,461,440,968,996,880
  5. Step 5: Solve for x
    x = 15,461,440,968,996,880/122,532,376.40
  6. Step 6: Final answer
    x = 126,182,494.97

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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.