Home / 147,749,749.32-203,894,698.08-80,768,998.44

Finding the Fourth Proportional to 147,749,749.32, 203,894,698.08 and 80,768,998.44

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Solution

The fourth proportional to 147,749,749.32, 203,894,698.08 and 80,768,998.44 is: 111,461,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,749,749.32 : 203,894,698.08 = 80,768,998.44 : x
  2. Step 2: Convert to fraction form
    147,749,749.32/203,894,698.08 = 80,768,998.44/x
  3. Step 3: Cross multiply
    147,749,749.32x = 203,894,698.08 × 80,768,998.44
  4. Step 4: Simplify right side
    147,749,749.32x = 16,468,370,551,147,792
  5. Step 5: Solve for x
    x = 16,468,370,551,147,792/147,749,749.32
  6. Step 6: Final answer
    x = 111,461,241.91

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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.