Home / 168,456,103.20-252,873,111.60-130,286,829.60

Finding the Fourth Proportional to 168,456,103.20, 252,873,111.60 and 130,286,829.60

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Solution

The fourth proportional to 168,456,103.20, 252,873,111.60 and 130,286,829.60 is: 195,576,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,456,103.20 : 252,873,111.60 = 130,286,829.60 : x
  2. Step 2: Convert to fraction form
    168,456,103.20/252,873,111.60 = 130,286,829.60/x
  3. Step 3: Cross multiply
    168,456,103.20x = 252,873,111.60 × 130,286,829.60
  4. Step 4: Simplify right side
    168,456,103.20x = 32,946,036,001,450,980
  5. Step 5: Solve for x
    x = 32,946,036,001,450,980/168,456,103.20
  6. Step 6: Final answer
    x = 195,576,386.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.