Home / 199,286,945.10-298,977,656.85-102,257,628.30

Finding the Fourth Proportional to 199,286,945.10, 298,977,656.85 and 102,257,628.30

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Solution

The fourth proportional to 199,286,945.10, 298,977,656.85 and 102,257,628.30 is: 153,410,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,945.10 : 298,977,656.85 = 102,257,628.30 : x
  2. Step 2: Convert to fraction form
    199,286,945.10/298,977,656.85 = 102,257,628.30/x
  3. Step 3: Cross multiply
    199,286,945.10x = 298,977,656.85 × 102,257,628.30
  4. Step 4: Simplify right side
    199,286,945.10x = 30,572,746,104,172,252
  5. Step 5: Solve for x
    x = 30,572,746,104,172,252/199,286,945.10
  6. Step 6: Final answer
    x = 153,410,681.71

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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.