Home / 196,128,884.20-293,745,428.70-115,507,316.20

Finding the Fourth Proportional to 196,128,884.20, 293,745,428.70 and 115,507,316.20

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Solution

The fourth proportional to 196,128,884.20, 293,745,428.70 and 115,507,316.20 is: 172,997,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,128,884.20 : 293,745,428.70 = 115,507,316.20 : x
  2. Step 2: Convert to fraction form
    196,128,884.20/293,745,428.70 = 115,507,316.20/x
  3. Step 3: Cross multiply
    196,128,884.20x = 293,745,428.70 × 115,507,316.20
  4. Step 4: Simplify right side
    196,128,884.20x = 33,929,746,115,155,456
  5. Step 5: Solve for x
    x = 33,929,746,115,155,456/196,128,884.20
  6. Step 6: Final answer
    x = 172,997,191.38

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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.