Home / 196,353,926.48-270,977,644.68-109,434,420.56

Finding the Fourth Proportional to 196,353,926.48, 270,977,644.68 and 109,434,420.56

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Solution

The fourth proportional to 196,353,926.48, 270,977,644.68 and 109,434,420.56 is: 151,024,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,353,926.48 : 270,977,644.68 = 109,434,420.56 : x
  2. Step 2: Convert to fraction form
    196,353,926.48/270,977,644.68 = 109,434,420.56/x
  3. Step 3: Cross multiply
    196,353,926.48x = 270,977,644.68 × 109,434,420.56
  4. Step 4: Simplify right side
    196,353,926.48x = 29,654,281,530,269,368
  5. Step 5: Solve for x
    x = 29,654,281,530,269,368/196,353,926.48
  6. Step 6: Final answer
    x = 151,024,642.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.