Home / 30,189,160.20-45,283,740.30-28,630,266.60

Finding the Fourth Proportional to 30,189,160.20, 45,283,740.30 and 28,630,266.60

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Solution

The fourth proportional to 30,189,160.20, 45,283,740.30 and 28,630,266.60 is: 42,945,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189,160.20 : 45,283,740.30 = 28,630,266.60 : x
  2. Step 2: Convert to fraction form
    30,189,160.20/45,283,740.30 = 28,630,266.60/x
  3. Step 3: Cross multiply
    30,189,160.20x = 45,283,740.30 × 28,630,266.60
  4. Step 4: Simplify right side
    30,189,160.20x = 1,296,485,557,434,164
  5. Step 5: Solve for x
    x = 1,296,485,557,434,164/30,189,160.20
  6. Step 6: Final answer
    x = 42,945,399.90

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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.