Home / 140,232,374.10-211,305,749.60-115,233,389.46

Finding the Fourth Proportional to 140,232,374.10, 211,305,749.60 and 115,233,389.46

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Solution

The fourth proportional to 140,232,374.10, 211,305,749.60 and 115,233,389.46 is: 173,636,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,232,374.10 : 211,305,749.60 = 115,233,389.46 : x
  2. Step 2: Convert to fraction form
    140,232,374.10/211,305,749.60 = 115,233,389.46/x
  3. Step 3: Cross multiply
    140,232,374.10x = 211,305,749.60 × 115,233,389.46
  4. Step 4: Simplify right side
    140,232,374.10x = 24,349,477,738,794,036
  5. Step 5: Solve for x
    x = 24,349,477,738,794,036/140,232,374.10
  6. Step 6: Final answer
    x = 173,636,636.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.