Home / 214,270,960.32-321,447,808.80-91,447,485.12

Finding the Fourth Proportional to 214,270,960.32, 321,447,808.80 and 91,447,485.12

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Solution

The fourth proportional to 214,270,960.32, 321,447,808.80 and 91,447,485.12 is: 137,188,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,270,960.32 : 321,447,808.80 = 91,447,485.12 : x
  2. Step 2: Convert to fraction form
    214,270,960.32/321,447,808.80 = 91,447,485.12/x
  3. Step 3: Cross multiply
    214,270,960.32x = 321,447,808.80 × 91,447,485.12
  4. Step 4: Simplify right side
    214,270,960.32x = 29,395,593,712,094,608
  5. Step 5: Solve for x
    x = 29,395,593,712,094,608/214,270,960.32
  6. Step 6: Final answer
    x = 137,188,883.03

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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.