Home / 311,905,767.60-430,413,593.40-170,749,927.44

Finding the Fourth Proportional to 311,905,767.60, 430,413,593.40 and 170,749,927.44

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Solution

The fourth proportional to 311,905,767.60, 430,413,593.40 and 170,749,927.44 is: 235,625,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,905,767.60 : 430,413,593.40 = 170,749,927.44 : x
  2. Step 2: Convert to fraction form
    311,905,767.60/430,413,593.40 = 170,749,927.44/x
  3. Step 3: Cross multiply
    311,905,767.60x = 430,413,593.40 × 170,749,927.44
  4. Step 4: Simplify right side
    311,905,767.60x = 73,493,089,842,239,664
  5. Step 5: Solve for x
    x = 73,493,089,842,239,664/311,905,767.60
  6. Step 6: Final answer
    x = 235,625,940.51

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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.