Home / 199,296,939.40-298,945,409.10-172,034,016.10

Finding the Fourth Proportional to 199,296,939.40, 298,945,409.10 and 172,034,016.10

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Solution

The fourth proportional to 199,296,939.40, 298,945,409.10 and 172,034,016.10 is: 258,051,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,296,939.40 : 298,945,409.10 = 172,034,016.10 : x
  2. Step 2: Convert to fraction form
    199,296,939.40/298,945,409.10 = 172,034,016.10/x
  3. Step 3: Cross multiply
    199,296,939.40x = 298,945,409.10 × 172,034,016.10
  4. Step 4: Simplify right side
    199,296,939.40x = 51,428,779,322,130,488
  5. Step 5: Solve for x
    x = 51,428,779,322,130,488/199,296,939.40
  6. Step 6: Final answer
    x = 258,051,024.15

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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.