Home / 66,824,611,899.02-100,281,077,753.82-31,462,080,315.20

Finding the Fourth Proportional to 66,824,611,899.02, 100,281,077,753.82 and 31,462,080,315.20

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Solution

The fourth proportional to 66,824,611,899.02, 100,281,077,753.82 and 31,462,080,315.20 is: 47,213,911,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824,611,899.02 : 100,281,077,753.82 = 31,462,080,315.20 : x
  2. Step 2: Convert to fraction form
    66,824,611,899.02/100,281,077,753.82 = 31,462,080,315.20/x
  3. Step 3: Cross multiply
    66,824,611,899.02x = 100,281,077,753.82 × 31,462,080,315.20
  4. Step 4: Simplify right side
    66,824,611,899.02x = 3,155,051,322,384,999,514,112
  5. Step 5: Solve for x
    x = 3,155,051,322,384,999,514,112/66,824,611,899.02
  6. Step 6: Final answer
    x = 47,213,911,652.09

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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.