Home / 254,156,739.60-381,235,109.40-243,395,059.35

Finding the Fourth Proportional to 254,156,739.60, 381,235,109.40 and 243,395,059.35

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Solution

The fourth proportional to 254,156,739.60, 381,235,109.40 and 243,395,059.35 is: 365,092,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,156,739.60 : 381,235,109.40 = 243,395,059.35 : x
  2. Step 2: Convert to fraction form
    254,156,739.60/381,235,109.40 = 243,395,059.35/x
  3. Step 3: Cross multiply
    254,156,739.60x = 381,235,109.40 × 243,395,059.35
  4. Step 4: Simplify right side
    254,156,739.60x = 92,790,742,078,716,736
  5. Step 5: Solve for x
    x = 92,790,742,078,716,736/254,156,739.60
  6. Step 6: Final answer
    x = 365,092,589.03

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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.