Home / 122,304,015.20-183,456,022.80-112,950,653.60

Finding the Fourth Proportional to 122,304,015.20, 183,456,022.80 and 112,950,653.60

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Solution

The fourth proportional to 122,304,015.20, 183,456,022.80 and 112,950,653.60 is: 169,425,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,304,015.20 : 183,456,022.80 = 112,950,653.60 : x
  2. Step 2: Convert to fraction form
    122,304,015.20/183,456,022.80 = 112,950,653.60/x
  3. Step 3: Cross multiply
    122,304,015.20x = 183,456,022.80 × 112,950,653.60
  4. Step 4: Simplify right side
    122,304,015.20x = 20,721,477,682,116,504
  5. Step 5: Solve for x
    x = 20,721,477,682,116,504/122,304,015.20
  6. Step 6: Final answer
    x = 169,425,980.40

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1.5x scale

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.