Home / 199,286,938.60-298,977,647.10-102,257,621.80

Finding the Fourth Proportional to 199,286,938.60, 298,977,647.10 and 102,257,621.80

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Solution

The fourth proportional to 199,286,938.60, 298,977,647.10 and 102,257,621.80 is: 153,410,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,938.60 : 298,977,647.10 = 102,257,621.80 : x
  2. Step 2: Convert to fraction form
    199,286,938.60/298,977,647.10 = 102,257,621.80/x
  3. Step 3: Cross multiply
    199,286,938.60x = 298,977,647.10 × 102,257,621.80
  4. Step 4: Simplify right side
    199,286,938.60x = 30,572,743,163,805,668
  5. Step 5: Solve for x
    x = 30,572,743,163,805,668/199,286,938.60
  6. Step 6: Final answer
    x = 153,410,671.96

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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.