Home / 65,169,913.20-97,817,855.40-39,660,745.20

Finding the Fourth Proportional to 65,169,913.20, 97,817,855.40 and 39,660,745.20

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Solution

The fourth proportional to 65,169,913.20, 97,817,855.40 and 39,660,745.20 is: 59,529,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169,913.20 : 97,817,855.40 = 39,660,745.20 : x
  2. Step 2: Convert to fraction form
    65,169,913.20/97,817,855.40 = 39,660,745.20/x
  3. Step 3: Cross multiply
    65,169,913.20x = 97,817,855.40 × 39,660,745.20
  4. Step 4: Simplify right side
    65,169,913.20x = 3,879,529,039,029,844.50
  5. Step 5: Solve for x
    x = 3,879,529,039,029,844.50/65,169,913.20
  6. Step 6: Final answer
    x = 59,529,449.23

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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.