Home / 83,620,989.12-115,393,756.32-46,453,609.32

Finding the Fourth Proportional to 83,620,989.12, 115,393,756.32 and 46,453,609.32

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Solution

The fourth proportional to 83,620,989.12, 115,393,756.32 and 46,453,609.32 is: 64,104,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,620,989.12 : 115,393,756.32 = 46,453,609.32 : x
  2. Step 2: Convert to fraction form
    83,620,989.12/115,393,756.32 = 46,453,609.32/x
  3. Step 3: Cross multiply
    83,620,989.12x = 115,393,756.32 × 46,453,609.32
  4. Step 4: Simplify right side
    83,620,989.12x = 5,360,456,474,056,561
  5. Step 5: Solve for x
    x = 5,360,456,474,056,561/83,620,989.12
  6. Step 6: Final answer
    x = 64,104,198.37

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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.