Home / 45,286,999.20-67,877,354.70-19,379,250.45

Finding the Fourth Proportional to 45,286,999.20, 67,877,354.70 and 19,379,250.45

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Solution

The fourth proportional to 45,286,999.20, 67,877,354.70 and 19,379,250.45 is: 29,046,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286,999.20 : 67,877,354.70 = 19,379,250.45 : x
  2. Step 2: Convert to fraction form
    45,286,999.20/67,877,354.70 = 19,379,250.45/x
  3. Step 3: Cross multiply
    45,286,999.20x = 67,877,354.70 × 19,379,250.45
  4. Step 4: Simplify right side
    45,286,999.20x = 1,315,412,256,614,784.50
  5. Step 5: Solve for x
    x = 1,315,412,256,614,784.50/45,286,999.20
  6. Step 6: Final answer
    x = 29,046,134.21

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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.