Home / 248,384,009.60-372,576,014.40-86,809,097.60

Finding the Fourth Proportional to 248,384,009.60, 372,576,014.40 and 86,809,097.60

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Solution

The fourth proportional to 248,384,009.60, 372,576,014.40 and 86,809,097.60 is: 130,213,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,384,009.60 : 372,576,014.40 = 86,809,097.60 : x
  2. Step 2: Convert to fraction form
    248,384,009.60/372,576,014.40 = 86,809,097.60/x
  3. Step 3: Cross multiply
    248,384,009.60x = 372,576,014.40 × 86,809,097.60
  4. Step 4: Simplify right side
    248,384,009.60x = 32,342,987,597,468,600
  5. Step 5: Solve for x
    x = 32,342,987,597,468,600/248,384,009.60
  6. Step 6: Final answer
    x = 130,213,646.40

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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.