Home / 142,019,994.10-213,029,991.15-113,322,180.10

Finding the Fourth Proportional to 142,019,994.10, 213,029,991.15 and 113,322,180.10

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Solution

The fourth proportional to 142,019,994.10, 213,029,991.15 and 113,322,180.10 is: 169,983,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,019,994.10 : 213,029,991.15 = 113,322,180.10 : x
  2. Step 2: Convert to fraction form
    142,019,994.10/213,029,991.15 = 113,322,180.10/x
  3. Step 3: Cross multiply
    142,019,994.10x = 213,029,991.15 × 113,322,180.10
  4. Step 4: Simplify right side
    142,019,994.10x = 24,141,023,023,801,704
  5. Step 5: Solve for x
    x = 24,141,023,023,801,704/142,019,994.10
  6. Step 6: Final answer
    x = 169,983,270.15

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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.