Home / 154,529,443.20-231,794,164.80-39,522,986.40

Finding the Fourth Proportional to 154,529,443.20, 231,794,164.80 and 39,522,986.40

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Solution

The fourth proportional to 154,529,443.20, 231,794,164.80 and 39,522,986.40 is: 59,284,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,529,443.20 : 231,794,164.80 = 39,522,986.40 : x
  2. Step 2: Convert to fraction form
    154,529,443.20/231,794,164.80 = 39,522,986.40/x
  3. Step 3: Cross multiply
    154,529,443.20x = 231,794,164.80 × 39,522,986.40
  4. Step 4: Simplify right side
    154,529,443.20x = 9,161,197,622,989,758
  5. Step 5: Solve for x
    x = 9,161,197,622,989,758/154,529,443.20
  6. Step 6: Final answer
    x = 59,284,479.60

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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.