Home / 273,036,546.80-409,554,820.20-78,954,293.60

Finding the Fourth Proportional to 273,036,546.80, 409,554,820.20 and 78,954,293.60

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Solution

The fourth proportional to 273,036,546.80, 409,554,820.20 and 78,954,293.60 is: 118,431,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,036,546.80 : 409,554,820.20 = 78,954,293.60 : x
  2. Step 2: Convert to fraction form
    273,036,546.80/409,554,820.20 = 78,954,293.60/x
  3. Step 3: Cross multiply
    273,036,546.80x = 409,554,820.20 × 78,954,293.60
  4. Step 4: Simplify right side
    273,036,546.80x = 32,336,111,519,366,008
  5. Step 5: Solve for x
    x = 32,336,111,519,366,008/273,036,546.80
  6. Step 6: Final answer
    x = 118,431,440.40

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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.