Home / 66,824,611,899.39-100,281,077,754.39-31,462,080,315.57

Finding the Fourth Proportional to 66,824,611,899.39, 100,281,077,754.39 and 31,462,080,315.57

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Solution

The fourth proportional to 66,824,611,899.39, 100,281,077,754.39 and 31,462,080,315.57 is: 47,213,911,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824,611,899.39 : 100,281,077,754.39 = 31,462,080,315.57 : x
  2. Step 2: Convert to fraction form
    66,824,611,899.39/100,281,077,754.39 = 31,462,080,315.57/x
  3. Step 3: Cross multiply
    66,824,611,899.39x = 100,281,077,754.39 × 31,462,080,315.57
  4. Step 4: Simplify right side
    66,824,611,899.39x = 3,155,051,322,440,538,390,528
  5. Step 5: Solve for x
    x = 3,155,051,322,440,538,390,528/66,824,611,899.39
  6. Step 6: Final answer
    x = 47,213,911,652.65

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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.