Home / 66,824,611,899.77-100,281,077,754.95-31,462,080,315.95

Finding the Fourth Proportional to 66,824,611,899.77, 100,281,077,754.95 and 31,462,080,315.95

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Solution

The fourth proportional to 66,824,611,899.77, 100,281,077,754.95 and 31,462,080,315.95 is: 47,213,911,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824,611,899.77 : 100,281,077,754.95 = 31,462,080,315.95 : x
  2. Step 2: Convert to fraction form
    66,824,611,899.77/100,281,077,754.95 = 31,462,080,315.95/x
  3. Step 3: Cross multiply
    66,824,611,899.77x = 100,281,077,754.95 × 31,462,080,315.95
  4. Step 4: Simplify right side
    66,824,611,899.77x = 3,155,051,322,495,762,169,856
  5. Step 5: Solve for x
    x = 3,155,051,322,495,762,169,856/66,824,611,899.77
  6. Step 6: Final answer
    x = 47,213,911,653.21

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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.