Home / 307,337,546.88-424,129,150.08-168,105,247.20

Finding the Fourth Proportional to 307,337,546.88, 424,129,150.08 and 168,105,247.20

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Solution

The fourth proportional to 307,337,546.88, 424,129,150.08 and 168,105,247.20 is: 231,987,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,337,546.88 : 424,129,150.08 = 168,105,247.20 : x
  2. Step 2: Convert to fraction form
    307,337,546.88/424,129,150.08 = 168,105,247.20/x
  3. Step 3: Cross multiply
    307,337,546.88x = 424,129,150.08 × 168,105,247.20
  4. Step 4: Simplify right side
    307,337,546.88x = 71,298,335,618,924,288
  5. Step 5: Solve for x
    x = 71,298,335,618,924,288/307,337,546.88
  6. Step 6: Final answer
    x = 231,987,065.50

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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.