Home / 30,089,032.20-45,133,548.30-19,318,494.60

Finding the Fourth Proportional to 30,089,032.20, 45,133,548.30 and 19,318,494.60

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Solution

The fourth proportional to 30,089,032.20, 45,133,548.30 and 19,318,494.60 is: 28,977,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089,032.20 : 45,133,548.30 = 19,318,494.60 : x
  2. Step 2: Convert to fraction form
    30,089,032.20/45,133,548.30 = 19,318,494.60/x
  3. Step 3: Cross multiply
    30,089,032.20x = 45,133,548.30 × 19,318,494.60
  4. Step 4: Simplify right side
    30,089,032.20x = 871,912,209,112,389.25
  5. Step 5: Solve for x
    x = 871,912,209,112,389.25/30,089,032.20
  6. Step 6: Final answer
    x = 28,977,741.90

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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.