Home / 306,810,126.70-423,395,179.86-167,580,851.56

Finding the Fourth Proportional to 306,810,126.70, 423,395,179.86 and 167,580,851.56

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Solution

The fourth proportional to 306,810,126.70, 423,395,179.86 and 167,580,851.56 is: 231,260,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,810,126.70 : 423,395,179.86 = 167,580,851.56 : x
  2. Step 2: Convert to fraction form
    306,810,126.70/423,395,179.86 = 167,580,851.56/x
  3. Step 3: Cross multiply
    306,810,126.70x = 423,395,179.86 × 167,580,851.56
  4. Step 4: Simplify right side
    306,810,126.70x = 70,952,924,787,338,168
  5. Step 5: Solve for x
    x = 70,952,924,787,338,168/306,810,126.70
  6. Step 6: Final answer
    x = 231,260,048.52

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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.