Home / 57,061,330,467.21-85,517,538,327.18-31,878,030,131.00

Finding the Fourth Proportional to 57,061,330,467.21, 85,517,538,327.18 and 31,878,030,131.00

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Solution

The fourth proportional to 57,061,330,467.21, 85,517,538,327.18 and 31,878,030,131.00 is: 47,775,448,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061,330,467.21 : 85,517,538,327.18 = 31,878,030,131.00 : x
  2. Step 2: Convert to fraction form
    57,061,330,467.21/85,517,538,327.18 = 31,878,030,131.00/x
  3. Step 3: Cross multiply
    57,061,330,467.21x = 85,517,538,327.18 × 31,878,030,131.00
  4. Step 4: Simplify right side
    57,061,330,467.21x = 2,726,130,663,522,363,244,544
  5. Step 5: Solve for x
    x = 2,726,130,663,522,363,244,544/57,061,330,467.21
  6. Step 6: Final answer
    x = 47,775,448,647.99

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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.