Home / 129,346,817.60-194,047,183.20-43,112,014.40

Finding the Fourth Proportional to 129,346,817.60, 194,047,183.20 and 43,112,014.40

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Solution

The fourth proportional to 129,346,817.60, 194,047,183.20 and 43,112,014.40 is: 64,677,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,817.60 : 194,047,183.20 = 43,112,014.40 : x
  2. Step 2: Convert to fraction form
    129,346,817.60/194,047,183.20 = 43,112,014.40/x
  3. Step 3: Cross multiply
    129,346,817.60x = 194,047,183.20 × 43,112,014.40
  4. Step 4: Simplify right side
    129,346,817.60x = 8,365,764,956,397,837
  5. Step 5: Solve for x
    x = 8,365,764,956,397,837/129,346,817.60
  6. Step 6: Final answer
    x = 64,677,006.45

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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.