Home / 134,378,942.40-201,419,114.40-73,838,116.80

Finding the Fourth Proportional to 134,378,942.40, 201,419,114.40 and 73,838,116.80

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Solution

The fourth proportional to 134,378,942.40, 201,419,114.40 and 73,838,116.80 is: 110,675,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,378,942.40 : 201,419,114.40 = 73,838,116.80 : x
  2. Step 2: Convert to fraction form
    134,378,942.40/201,419,114.40 = 73,838,116.80/x
  3. Step 3: Cross multiply
    134,378,942.40x = 201,419,114.40 × 73,838,116.80
  4. Step 4: Simplify right side
    134,378,942.40x = 14,872,408,094,819,762
  5. Step 5: Solve for x
    x = 14,872,408,094,819,762/134,378,942.40
  6. Step 6: Final answer
    x = 110,675,138.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.