Home / 20,964,672,057.40-31,447,008,086.10-16,281,188,812.60

Finding the Fourth Proportional to 20,964,672,057.40, 31,447,008,086.10 and 16,281,188,812.60

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Solution

The fourth proportional to 20,964,672,057.40, 31,447,008,086.10 and 16,281,188,812.60 is: 24,421,783,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964,672,057.40 : 31,447,008,086.10 = 16,281,188,812.60 : x
  2. Step 2: Convert to fraction form
    20,964,672,057.40/31,447,008,086.10 = 16,281,188,812.60/x
  3. Step 3: Cross multiply
    20,964,672,057.40x = 31,447,008,086.10 × 16,281,188,812.60
  4. Step 4: Simplify right side
    20,964,672,057.40x = 511,994,676,241,153,064,960
  5. Step 5: Solve for x
    x = 511,994,676,241,153,064,960/20,964,672,057.40
  6. Step 6: Final answer
    x = 24,421,783,218.90

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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.