Home / 47,008,049.60-70,512,074.40-40,289,585.60

Finding the Fourth Proportional to 47,008,049.60, 70,512,074.40 and 40,289,585.60

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Solution

The fourth proportional to 47,008,049.60, 70,512,074.40 and 40,289,585.60 is: 60,434,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,008,049.60 : 70,512,074.40 = 40,289,585.60 : x
  2. Step 2: Convert to fraction form
    47,008,049.60/70,512,074.40 = 40,289,585.60/x
  3. Step 3: Cross multiply
    47,008,049.60x = 70,512,074.40 × 40,289,585.60
  4. Step 4: Simplify right side
    47,008,049.60x = 2,840,902,257,372,369
  5. Step 5: Solve for x
    x = 2,840,902,257,372,369/47,008,049.60
  6. Step 6: Final answer
    x = 60,434,378.40

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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.