Home / 70,798,516.90-97,702,965.53-40,627,930.45

Finding the Fourth Proportional to 70,798,516.90, 97,702,965.53 and 40,627,930.45

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Solution

The fourth proportional to 70,798,516.90, 97,702,965.53 and 40,627,930.45 is: 56,067,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,798,516.90 : 97,702,965.53 = 40,627,930.45 : x
  2. Step 2: Convert to fraction form
    70,798,516.90/97,702,965.53 = 40,627,930.45/x
  3. Step 3: Cross multiply
    70,798,516.90x = 97,702,965.53 × 40,627,930.45
  4. Step 4: Simplify right side
    70,798,516.90x = 3,969,469,288,199,738.50
  5. Step 5: Solve for x
    x = 3,969,469,288,199,738.50/70,798,516.90
  6. Step 6: Final answer
    x = 56,067,124.88

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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.