Home / 122,490,317.80-183,735,476.70-109,098,004.60

Finding the Fourth Proportional to 122,490,317.80, 183,735,476.70 and 109,098,004.60

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Solution

The fourth proportional to 122,490,317.80, 183,735,476.70 and 109,098,004.60 is: 163,647,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,490,317.80 : 183,735,476.70 = 109,098,004.60 : x
  2. Step 2: Convert to fraction form
    122,490,317.80/183,735,476.70 = 109,098,004.60/x
  3. Step 3: Cross multiply
    122,490,317.80x = 183,735,476.70 × 109,098,004.60
  4. Step 4: Simplify right side
    122,490,317.80x = 20,045,173,882,199,792
  5. Step 5: Solve for x
    x = 20,045,173,882,199,792/122,490,317.80
  6. Step 6: Final answer
    x = 163,647,006.90

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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.