Home / 122,089,969.80-183,134,954.70-45,397,128.60

Finding the Fourth Proportional to 122,089,969.80, 183,134,954.70 and 45,397,128.60

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Solution

The fourth proportional to 122,089,969.80, 183,134,954.70 and 45,397,128.60 is: 68,095,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,089,969.80 : 183,134,954.70 = 45,397,128.60 : x
  2. Step 2: Convert to fraction form
    122,089,969.80/183,134,954.70 = 45,397,128.60/x
  3. Step 3: Cross multiply
    122,089,969.80x = 183,134,954.70 × 45,397,128.60
  4. Step 4: Simplify right side
    122,089,969.80x = 8,313,801,089,671,074
  5. Step 5: Solve for x
    x = 8,313,801,089,671,074/122,089,969.80
  6. Step 6: Final answer
    x = 68,095,692.90

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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.