Home / 66,824,611,890.86-100,281,077,741.61-31,462,080,307.06

Finding the Fourth Proportional to 66,824,611,890.86, 100,281,077,741.61 and 31,462,080,307.06

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Solution

The fourth proportional to 66,824,611,890.86, 100,281,077,741.61 and 31,462,080,307.06 is: 47,213,911,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824,611,890.86 : 100,281,077,741.61 = 31,462,080,307.06 : x
  2. Step 2: Convert to fraction form
    66,824,611,890.86/100,281,077,741.61 = 31,462,080,307.06/x
  3. Step 3: Cross multiply
    66,824,611,890.86x = 100,281,077,741.61 × 31,462,080,307.06
  4. Step 4: Simplify right side
    66,824,611,890.86x = 3,155,051,321,185,061,044,224
  5. Step 5: Solve for x
    x = 3,155,051,321,185,061,044,224/66,824,611,890.86
  6. Step 6: Final answer
    x = 47,213,911,639.89

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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.