Home / 189,036,427.20-283,554,640.80-108,190,910.40

Finding the Fourth Proportional to 189,036,427.20, 283,554,640.80 and 108,190,910.40

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Solution

The fourth proportional to 189,036,427.20, 283,554,640.80 and 108,190,910.40 is: 162,286,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,036,427.20 : 283,554,640.80 = 108,190,910.40 : x
  2. Step 2: Convert to fraction form
    189,036,427.20/283,554,640.80 = 108,190,910.40/x
  3. Step 3: Cross multiply
    189,036,427.20x = 283,554,640.80 × 108,190,910.40
  4. Step 4: Simplify right side
    189,036,427.20x = 30,678,034,736,296,988
  5. Step 5: Solve for x
    x = 30,678,034,736,296,988/189,036,427.20
  6. Step 6: Final answer
    x = 162,286,365.60

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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.