Home / 30,241,480.80-45,362,221.20-18,148,245.60

Finding the Fourth Proportional to 30,241,480.80, 45,362,221.20 and 18,148,245.60

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Solution

The fourth proportional to 30,241,480.80, 45,362,221.20 and 18,148,245.60 is: 27,222,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,480.80 : 45,362,221.20 = 18,148,245.60 : x
  2. Step 2: Convert to fraction form
    30,241,480.80/45,362,221.20 = 18,148,245.60/x
  3. Step 3: Cross multiply
    30,241,480.80x = 45,362,221.20 × 18,148,245.60
  4. Step 4: Simplify right side
    30,241,480.80x = 823,244,731,299,126.88
  5. Step 5: Solve for x
    x = 823,244,731,299,126.88/30,241,480.80
  6. Step 6: Final answer
    x = 27,222,368.40

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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.