Home / 189,216,096.40-283,824,144.60-128,302,022.80

Finding the Fourth Proportional to 189,216,096.40, 283,824,144.60 and 128,302,022.80

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Solution

The fourth proportional to 189,216,096.40, 283,824,144.60 and 128,302,022.80 is: 192,453,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,216,096.40 : 283,824,144.60 = 128,302,022.80 : x
  2. Step 2: Convert to fraction form
    189,216,096.40/283,824,144.60 = 128,302,022.80/x
  3. Step 3: Cross multiply
    189,216,096.40x = 283,824,144.60 × 128,302,022.80
  4. Step 4: Simplify right side
    189,216,096.40x = 36,415,211,871,659,696
  5. Step 5: Solve for x
    x = 36,415,211,871,659,696/189,216,096.40
  6. Step 6: Final answer
    x = 192,453,034.20

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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.