Home / 221,329,811.40-331,994,717.10-178,283,090.40

Finding the Fourth Proportional to 221,329,811.40, 331,994,717.10 and 178,283,090.40

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Solution

The fourth proportional to 221,329,811.40, 331,994,717.10 and 178,283,090.40 is: 267,424,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,329,811.40 : 331,994,717.10 = 178,283,090.40 : x
  2. Step 2: Convert to fraction form
    221,329,811.40/331,994,717.10 = 178,283,090.40/x
  3. Step 3: Cross multiply
    221,329,811.40x = 331,994,717.10 × 178,283,090.40
  4. Step 4: Simplify right side
    221,329,811.40x = 59,189,044,161,061,736
  5. Step 5: Solve for x
    x = 59,189,044,161,061,736/221,329,811.40
  6. Step 6: Final answer
    x = 267,424,635.60

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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.