Home / 221,293,329.40-331,939,994.10-214,916,037.40

Finding the Fourth Proportional to 221,293,329.40, 331,939,994.10 and 214,916,037.40

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Solution

The fourth proportional to 221,293,329.40, 331,939,994.10 and 214,916,037.40 is: 322,374,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,293,329.40 : 331,939,994.10 = 214,916,037.40 : x
  2. Step 2: Convert to fraction form
    221,293,329.40/331,939,994.10 = 214,916,037.40/x
  3. Step 3: Cross multiply
    221,293,329.40x = 331,939,994.10 × 214,916,037.40
  4. Step 4: Simplify right side
    221,293,329.40x = 71,339,228,186,551,384
  5. Step 5: Solve for x
    x = 71,339,228,186,551,384/221,293,329.40
  6. Step 6: Final answer
    x = 322,374,056.10

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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.