Home / 47,318,657.70-70,977,986.55-31,162,851.30

Finding the Fourth Proportional to 47,318,657.70, 70,977,986.55 and 31,162,851.30

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Solution

The fourth proportional to 47,318,657.70, 70,977,986.55 and 31,162,851.30 is: 46,744,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318,657.70 : 70,977,986.55 = 31,162,851.30 : x
  2. Step 2: Convert to fraction form
    47,318,657.70/70,977,986.55 = 31,162,851.30/x
  3. Step 3: Cross multiply
    47,318,657.70x = 70,977,986.55 × 31,162,851.30
  4. Step 4: Simplify right side
    47,318,657.70x = 2,211,876,440,431,050
  5. Step 5: Solve for x
    x = 2,211,876,440,431,050/47,318,657.70
  6. Step 6: Final answer
    x = 46,744,276.95

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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.