Home / 71,775,851,840.28-99,056,321,897.22-40,877,443,149.12

Finding the Fourth Proportional to 71,775,851,840.28, 99,056,321,897.22 and 40,877,443,149.12

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Solution

The fourth proportional to 71,775,851,840.28, 99,056,321,897.22 and 40,877,443,149.12 is: 56,414,087,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,775,851,840.28 : 99,056,321,897.22 = 40,877,443,149.12 : x
  2. Step 2: Convert to fraction form
    71,775,851,840.28/99,056,321,897.22 = 40,877,443,149.12/x
  3. Step 3: Cross multiply
    71,775,851,840.28x = 99,056,321,897.22 × 40,877,443,149.12
  4. Step 4: Simplify right side
    71,775,851,840.28x = 4,049,169,166,914,541,322,240
  5. Step 5: Solve for x
    x = 4,049,169,166,914,541,322,240/71,775,851,840.28
  6. Step 6: Final answer
    x = 56,414,087,232.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.