Home / 86,873,873,749.42-130,307,263,834.92-30,226,702,234.54

Finding the Fourth Proportional to 86,873,873,749.42, 130,307,263,834.92 and 30,226,702,234.54

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Solution

The fourth proportional to 86,873,873,749.42, 130,307,263,834.92 and 30,226,702,234.54 is: 45,338,819,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873,873,749.42 : 130,307,263,834.92 = 30,226,702,234.54 : x
  2. Step 2: Convert to fraction form
    86,873,873,749.42/130,307,263,834.92 = 30,226,702,234.54/x
  3. Step 3: Cross multiply
    86,873,873,749.42x = 130,307,263,834.92 × 30,226,702,234.54
  4. Step 4: Simplify right side
    86,873,873,749.42x = 3,938,758,862,935,770,005,504
  5. Step 5: Solve for x
    x = 3,938,758,862,935,770,005,504/86,873,873,749.42
  6. Step 6: Final answer
    x = 45,338,819,289.87

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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.