Home / 221,293,300.40-331,939,950.60-214,916,008.40

Finding the Fourth Proportional to 221,293,300.40, 331,939,950.60 and 214,916,008.40

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Solution

The fourth proportional to 221,293,300.40, 331,939,950.60 and 214,916,008.40 is: 322,374,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,293,300.40 : 331,939,950.60 = 214,916,008.40 : x
  2. Step 2: Convert to fraction form
    221,293,300.40/331,939,950.60 = 214,916,008.40/x
  3. Step 3: Cross multiply
    221,293,300.40x = 331,939,950.60 × 214,916,008.40
  4. Step 4: Simplify right side
    221,293,300.40x = 71,339,209,211,445,192
  5. Step 5: Solve for x
    x = 71,339,209,211,445,192/221,293,300.40
  6. Step 6: Final answer
    x = 322,374,012.60

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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.