Home / 248,374,747.17-342,742,993.38-142,505,720.55

Finding the Fourth Proportional to 248,374,747.17, 342,742,993.38 and 142,505,720.55

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Solution

The fourth proportional to 248,374,747.17, 342,742,993.38 and 142,505,720.55 is: 196,649,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,374,747.17 : 342,742,993.38 = 142,505,720.55 : x
  2. Step 2: Convert to fraction form
    248,374,747.17/342,742,993.38 = 142,505,720.55/x
  3. Step 3: Cross multiply
    248,374,747.17x = 342,742,993.38 × 142,505,720.55
  4. Step 4: Simplify right side
    248,374,747.17x = 48,842,837,235,080,784
  5. Step 5: Solve for x
    x = 48,842,837,235,080,784/248,374,747.17
  6. Step 6: Final answer
    x = 196,649,771.33

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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.