Home / 196,343,999.10-294,515,998.65-66,908,591.10

Finding the Fourth Proportional to 196,343,999.10, 294,515,998.65 and 66,908,591.10

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Solution

The fourth proportional to 196,343,999.10, 294,515,998.65 and 66,908,591.10 is: 100,362,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,343,999.10 : 294,515,998.65 = 66,908,591.10 : x
  2. Step 2: Convert to fraction form
    196,343,999.10/294,515,998.65 = 66,908,591.10/x
  3. Step 3: Cross multiply
    196,343,999.10x = 294,515,998.65 × 66,908,591.10
  4. Step 4: Simplify right side
    196,343,999.10x = 19,705,650,526,081,000
  5. Step 5: Solve for x
    x = 19,705,650,526,081,000/196,343,999.10
  6. Step 6: Final answer
    x = 100,362,886.65

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1.5x scale

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.