Home / 48,384,090.40-72,520,148.40-19,616,000.80

Finding the Fourth Proportional to 48,384,090.40, 72,520,148.40 and 19,616,000.80

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Solution

The fourth proportional to 48,384,090.40, 72,520,148.40 and 19,616,000.80 is: 29,401,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,384,090.40 : 72,520,148.40 = 19,616,000.80 : x
  2. Step 2: Convert to fraction form
    48,384,090.40/72,520,148.40 = 19,616,000.80/x
  3. Step 3: Cross multiply
    48,384,090.40x = 72,520,148.40 × 19,616,000.80
  4. Step 4: Simplify right side
    48,384,090.40x = 1,422,555,289,030,519
  5. Step 5: Solve for x
    x = 1,422,555,289,030,519/48,384,090.40
  6. Step 6: Final answer
    x = 29,401,302.73

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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.