Home / 259,756,562,990.64-389,362,095,739.86-87,397,225,669.18

Finding the Fourth Proportional to 259,756,562,990.64, 389,362,095,739.86 and 87,397,225,669.18

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Solution

The fourth proportional to 259,756,562,990.64, 389,362,095,739.86 and 87,397,225,669.18 is: 131,004,069,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,756,562,990.64 : 389,362,095,739.86 = 87,397,225,669.18 : x
  2. Step 2: Convert to fraction form
    259,756,562,990.64/389,362,095,739.86 = 87,397,225,669.18/x
  3. Step 3: Cross multiply
    259,756,562,990.64x = 389,362,095,739.86 × 87,397,225,669.18
  4. Step 4: Simplify right side
    259,756,562,990.64x = 34,029,166,948,401,410,998,272
  5. Step 5: Solve for x
    x = 34,029,166,948,401,410,998,272/259,756,562,990.64
  6. Step 6: Final answer
    x = 131,004,069,951.56

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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.