Home / 122,087,152.80-183,130,729.20-105,647,911.20

Finding the Fourth Proportional to 122,087,152.80, 183,130,729.20 and 105,647,911.20

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Solution

The fourth proportional to 122,087,152.80, 183,130,729.20 and 105,647,911.20 is: 158,471,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,087,152.80 : 183,130,729.20 = 105,647,911.20 : x
  2. Step 2: Convert to fraction form
    122,087,152.80/183,130,729.20 = 105,647,911.20/x
  3. Step 3: Cross multiply
    122,087,152.80x = 183,130,729.20 × 105,647,911.20
  4. Step 4: Simplify right side
    122,087,152.80x = 19,347,379,016,512,848
  5. Step 5: Solve for x
    x = 19,347,379,016,512,848/122,087,152.80
  6. Step 6: Final answer
    x = 158,471,866.80

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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.