Home / 243,259,056.20-335,702,918.22-138,835,033.04

Finding the Fourth Proportional to 243,259,056.20, 335,702,918.22 and 138,835,033.04

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Solution

The fourth proportional to 243,259,056.20, 335,702,918.22 and 138,835,033.04 is: 191,595,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,259,056.20 : 335,702,918.22 = 138,835,033.04 : x
  2. Step 2: Convert to fraction form
    243,259,056.20/335,702,918.22 = 138,835,033.04/x
  3. Step 3: Cross multiply
    243,259,056.20x = 335,702,918.22 × 138,835,033.04
  4. Step 4: Simplify right side
    243,259,056.20x = 46,607,325,742,698,120
  5. Step 5: Solve for x
    x = 46,607,325,742,698,120/243,259,056.20
  6. Step 6: Final answer
    x = 191,595,439.33

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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.