Home / 221,233,234.20-331,849,851.30-199,314,245.40

Finding the Fourth Proportional to 221,233,234.20, 331,849,851.30 and 199,314,245.40

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Solution

The fourth proportional to 221,233,234.20, 331,849,851.30 and 199,314,245.40 is: 298,971,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,233,234.20 : 331,849,851.30 = 199,314,245.40 : x
  2. Step 2: Convert to fraction form
    221,233,234.20/331,849,851.30 = 199,314,245.40/x
  3. Step 3: Cross multiply
    221,233,234.20x = 331,849,851.30 × 199,314,245.40
  4. Step 4: Simplify right side
    221,233,234.20x = 66,142,402,697,961,712
  5. Step 5: Solve for x
    x = 66,142,402,697,961,712/221,233,234.20
  6. Step 6: Final answer
    x = 298,971,368.10

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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.