Home / 75,136,300.68-112,702,846.64-20,548,886.27

Finding the Fourth Proportional to 75,136,300.68, 112,702,846.64 and 20,548,886.27

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Solution

The fourth proportional to 75,136,300.68, 112,702,846.64 and 20,548,886.27 is: 30,822,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136,300.68 : 112,702,846.64 = 20,548,886.27 : x
  2. Step 2: Convert to fraction form
    75,136,300.68/112,702,846.64 = 20,548,886.27/x
  3. Step 3: Cross multiply
    75,136,300.68x = 112,702,846.64 × 20,548,886.27
  4. Step 4: Simplify right side
    75,136,300.68x = 2,315,917,977,576,245.50
  5. Step 5: Solve for x
    x = 2,315,917,977,576,245.50/75,136,300.68
  6. Step 6: Final answer
    x = 30,822,890.62

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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.