Home / 30,496,295.90-45,702,453.45-20,231,975.90

Finding the Fourth Proportional to 30,496,295.90, 45,702,453.45 and 20,231,975.90

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Solution

The fourth proportional to 30,496,295.90, 45,702,453.45 and 20,231,975.90 is: 30,320,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496,295.90 : 45,702,453.45 = 20,231,975.90 : x
  2. Step 2: Convert to fraction form
    30,496,295.90/45,702,453.45 = 20,231,975.90/x
  3. Step 3: Cross multiply
    30,496,295.90x = 45,702,453.45 × 20,231,975.90
  4. Step 4: Simplify right side
    30,496,295.90x = 924,650,936,771,271.88
  5. Step 5: Solve for x
    x = 924,650,936,771,271.88/30,496,295.90
  6. Step 6: Final answer
    x = 30,320,106.41

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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.