Home / 214,819,437.20-321,473,328.60-196,679,584.40

Finding the Fourth Proportional to 214,819,437.20, 321,473,328.60 and 196,679,584.40

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Solution

The fourth proportional to 214,819,437.20, 321,473,328.60 and 196,679,584.40 is: 294,327,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,819,437.20 : 321,473,328.60 = 196,679,584.40 : x
  2. Step 2: Convert to fraction form
    214,819,437.20/321,473,328.60 = 196,679,584.40/x
  3. Step 3: Cross multiply
    214,819,437.20x = 321,473,328.60 × 196,679,584.40
  4. Step 4: Simplify right side
    214,819,437.20x = 63,227,240,664,732,640
  5. Step 5: Solve for x
    x = 63,227,240,664,732,640/214,819,437.20
  6. Step 6: Final answer
    x = 294,327,373.21

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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.