Home / 66,824,611,890.36-100,281,077,740.86-31,462,080,306.56

Finding the Fourth Proportional to 66,824,611,890.36, 100,281,077,740.86 and 31,462,080,306.56

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Solution

The fourth proportional to 66,824,611,890.36, 100,281,077,740.86 and 31,462,080,306.56 is: 47,213,911,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824,611,890.36 : 100,281,077,740.86 = 31,462,080,306.56 : x
  2. Step 2: Convert to fraction form
    66,824,611,890.36/100,281,077,740.86 = 31,462,080,306.56/x
  3. Step 3: Cross multiply
    66,824,611,890.36x = 100,281,077,740.86 × 31,462,080,306.56
  4. Step 4: Simplify right side
    66,824,611,890.36x = 3,155,051,321,111,324,131,328
  5. Step 5: Solve for x
    x = 3,155,051,321,111,324,131,328/66,824,611,890.36
  6. Step 6: Final answer
    x = 47,213,911,639.14

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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.