Home / 66,010,568.32-99,036,121.92-31,510,993.60

Finding the Fourth Proportional to 66,010,568.32, 99,036,121.92 and 31,510,993.60

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Solution

The fourth proportional to 66,010,568.32, 99,036,121.92 and 31,510,993.60 is: 47,276,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010,568.32 : 99,036,121.92 = 31,510,993.60 : x
  2. Step 2: Convert to fraction form
    66,010,568.32/99,036,121.92 = 31,510,993.60/x
  3. Step 3: Cross multiply
    66,010,568.32x = 99,036,121.92 × 31,510,993.60
  4. Step 4: Simplify right side
    66,010,568.32x = 3,120,726,603,989,940
  5. Step 5: Solve for x
    x = 3,120,726,603,989,940/66,010,568.32
  6. Step 6: Final answer
    x = 47,276,166.28

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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.