Home / 251,516,389.72-347,089,062.60-141,507,840.28

Finding the Fourth Proportional to 251,516,389.72, 347,089,062.60 and 141,507,840.28

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Solution

The fourth proportional to 251,516,389.72, 347,089,062.60 and 141,507,840.28 is: 195,278,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,516,389.72 : 347,089,062.60 = 141,507,840.28 : x
  2. Step 2: Convert to fraction form
    251,516,389.72/347,089,062.60 = 141,507,840.28/x
  3. Step 3: Cross multiply
    251,516,389.72x = 347,089,062.60 × 141,507,840.28
  4. Step 4: Simplify right side
    251,516,389.72x = 49,115,823,633,335,728
  5. Step 5: Solve for x
    x = 49,115,823,633,335,728/251,516,389.72
  6. Step 6: Final answer
    x = 195,278,819.36

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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.