Home / 543,089,803.20-814,634,704.80-134,145,953.70

Finding the Fourth Proportional to 543,089,803.20, 814,634,704.80 and 134,145,953.70

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Solution

The fourth proportional to 543,089,803.20, 814,634,704.80 and 134,145,953.70 is: 201,218,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,089,803.20 : 814,634,704.80 = 134,145,953.70 : x
  2. Step 2: Convert to fraction form
    543,089,803.20/814,634,704.80 = 134,145,953.70/x
  3. Step 3: Cross multiply
    543,089,803.20x = 814,634,704.80 × 134,145,953.70
  4. Step 4: Simplify right side
    543,089,803.20x = 109,279,949,392,513,968
  5. Step 5: Solve for x
    x = 109,279,949,392,513,968/543,089,803.20
  6. Step 6: Final answer
    x = 201,218,930.55

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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.