Home / 53,811,915.70-80,930,449.95-48,284,929.30

Finding the Fourth Proportional to 53,811,915.70, 80,930,449.95 and 48,284,929.30

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Solution

The fourth proportional to 53,811,915.70, 80,930,449.95 and 48,284,929.30 is: 72,618,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811,915.70 : 80,930,449.95 = 48,284,929.30 : x
  2. Step 2: Convert to fraction form
    53,811,915.70/80,930,449.95 = 48,284,929.30/x
  3. Step 3: Cross multiply
    53,811,915.70x = 80,930,449.95 × 48,284,929.30
  4. Step 4: Simplify right side
    53,811,915.70x = 3,907,721,054,052,938.50
  5. Step 5: Solve for x
    x = 3,907,721,054,052,938.50/53,811,915.70
  6. Step 6: Final answer
    x = 72,618,136.77

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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.