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Finding the Fourth Proportional to 59,794,404.40, 89,542,307.40 and 39,489,713.20

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Solution

The fourth proportional to 59,794,404.40, 89,542,307.40 and 39,489,713.20 is: 59,135,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794,404.40 : 89,542,307.40 = 39,489,713.20 : x
  2. Step 2: Convert to fraction form
    59,794,404.40/89,542,307.40 = 39,489,713.20/x
  3. Step 3: Cross multiply
    59,794,404.40x = 89,542,307.40 × 39,489,713.20
  4. Step 4: Simplify right side
    59,794,404.40x = 3,536,000,038,492,238
  5. Step 5: Solve for x
    x = 3,536,000,038,492,238/59,794,404.40
  6. Step 6: Final answer
    x = 59,135,968.89

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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.