Home / 80,542,024.58-120,763,592.26-31,300,381.31

Finding the Fourth Proportional to 80,542,024.58, 120,763,592.26 and 31,300,381.31

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Solution

The fourth proportional to 80,542,024.58, 120,763,592.26 and 31,300,381.31 is: 46,931,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542,024.58 : 120,763,592.26 = 31,300,381.31 : x
  2. Step 2: Convert to fraction form
    80,542,024.58/120,763,592.26 = 31,300,381.31/x
  3. Step 3: Cross multiply
    80,542,024.58x = 120,763,592.26 × 31,300,381.31
  4. Step 4: Simplify right side
    80,542,024.58x = 3,779,946,486,103,364.50
  5. Step 5: Solve for x
    x = 3,779,946,486,103,364.50/80,542,024.58
  6. Step 6: Final answer
    x = 46,931,356.71

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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.