Home / 198,312,266.40-297,468,399.60-106,479,261.60

Finding the Fourth Proportional to 198,312,266.40, 297,468,399.60 and 106,479,261.60

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Solution

The fourth proportional to 198,312,266.40, 297,468,399.60 and 106,479,261.60 is: 159,718,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,312,266.40 : 297,468,399.60 = 106,479,261.60 : x
  2. Step 2: Convert to fraction form
    198,312,266.40/297,468,399.60 = 106,479,261.60/x
  3. Step 3: Cross multiply
    198,312,266.40x = 297,468,399.60 × 106,479,261.60
  4. Step 4: Simplify right side
    198,312,266.40x = 31,674,215,538,741,736
  5. Step 5: Solve for x
    x = 31,674,215,538,741,736/198,312,266.40
  6. Step 6: Final answer
    x = 159,718,892.40

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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.