Home / 212,733,966.20-319,111,446.90-110,697,294.20

Finding the Fourth Proportional to 212,733,966.20, 319,111,446.90 and 110,697,294.20

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Solution

The fourth proportional to 212,733,966.20, 319,111,446.90 and 110,697,294.20 is: 166,051,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,733,966.20 : 319,111,446.90 = 110,697,294.20 : x
  2. Step 2: Convert to fraction form
    212,733,966.20/319,111,446.90 = 110,697,294.20/x
  3. Step 3: Cross multiply
    212,733,966.20x = 319,111,446.90 × 110,697,294.20
  4. Step 4: Simplify right side
    212,733,966.20x = 35,324,773,720,076,976
  5. Step 5: Solve for x
    x = 35,324,773,720,076,976/212,733,966.20
  6. Step 6: Final answer
    x = 166,051,403.78

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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.