Home / 122,477,019.60-183,715,529.40-54,452,571.60

Finding the Fourth Proportional to 122,477,019.60, 183,715,529.40 and 54,452,571.60

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Solution

The fourth proportional to 122,477,019.60, 183,715,529.40 and 54,452,571.60 is: 81,678,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,019.60 : 183,715,529.40 = 54,452,571.60 : x
  2. Step 2: Convert to fraction form
    122,477,019.60/183,715,529.40 = 54,452,571.60/x
  3. Step 3: Cross multiply
    122,477,019.60x = 183,715,529.40 × 54,452,571.60
  4. Step 4: Simplify right side
    122,477,019.60x = 10,003,783,018,685,406
  5. Step 5: Solve for x
    x = 10,003,783,018,685,406/122,477,019.60
  6. Step 6: Final answer
    x = 81,678,857.40

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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.