Home / 53,581,500.40-80,372,250.60-53,203,586.80

Finding the Fourth Proportional to 53,581,500.40, 80,372,250.60 and 53,203,586.80

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Solution

The fourth proportional to 53,581,500.40, 80,372,250.60 and 53,203,586.80 is: 79,805,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,581,500.40 : 80,372,250.60 = 53,203,586.80 : x
  2. Step 2: Convert to fraction form
    53,581,500.40/80,372,250.60 = 53,203,586.80/x
  3. Step 3: Cross multiply
    53,581,500.40x = 80,372,250.60 × 53,203,586.80
  4. Step 4: Simplify right side
    53,581,500.40x = 4,276,092,011,108,451.50
  5. Step 5: Solve for x
    x = 4,276,092,011,108,451.50/53,581,500.40
  6. Step 6: Final answer
    x = 79,805,380.20

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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.