Home / 70,135,083.86-96,790,712.74-39,197,723.54

Finding the Fourth Proportional to 70,135,083.86, 96,790,712.74 and 39,197,723.54

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Solution

The fourth proportional to 70,135,083.86, 96,790,712.74 and 39,197,723.54 is: 54,095,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135,083.86 : 96,790,712.74 = 39,197,723.54 : x
  2. Step 2: Convert to fraction form
    70,135,083.86/96,790,712.74 = 39,197,723.54/x
  3. Step 3: Cross multiply
    70,135,083.86x = 96,790,712.74 × 39,197,723.54
  4. Step 4: Simplify right side
    70,135,083.86x = 3,793,975,598,640,127.50
  5. Step 5: Solve for x
    x = 3,793,975,598,640,127.50/70,135,083.86
  6. Step 6: Final answer
    x = 54,095,260.03

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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.