Home / 80,446,687.20-120,670,030.80-26,593,999.20

Finding the Fourth Proportional to 80,446,687.20, 120,670,030.80 and 26,593,999.20

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Solution

The fourth proportional to 80,446,687.20, 120,670,030.80 and 26,593,999.20 is: 39,890,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,446,687.20 : 120,670,030.80 = 26,593,999.20 : x
  2. Step 2: Convert to fraction form
    80,446,687.20/120,670,030.80 = 26,593,999.20/x
  3. Step 3: Cross multiply
    80,446,687.20x = 120,670,030.80 × 26,593,999.20
  4. Step 4: Simplify right side
    80,446,687.20x = 3,209,098,702,559,175
  5. Step 5: Solve for x
    x = 3,209,098,702,559,175/80,446,687.20
  6. Step 6: Final answer
    x = 39,890,998.80

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1.5x scale

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.