Home / 198,161,505.60-297,135,970.20-83,015,955.60

Finding the Fourth Proportional to 198,161,505.60, 297,135,970.20 and 83,015,955.60

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Solution

The fourth proportional to 198,161,505.60, 297,135,970.20 and 83,015,955.60 is: 124,479,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161,505.60 : 297,135,970.20 = 83,015,955.60 : x
  2. Step 2: Convert to fraction form
    198,161,505.60/297,135,970.20 = 83,015,955.60/x
  3. Step 3: Cross multiply
    198,161,505.60x = 297,135,970.20 × 83,015,955.60
  4. Step 4: Simplify right side
    198,161,505.60x = 24,667,026,509,286,120
  5. Step 5: Solve for x
    x = 24,667,026,509,286,120/198,161,505.60
  6. Step 6: Final answer
    x = 124,479,406.00

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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.