Home / 201,155,525.60-301,733,288.40-189,251,247.20

Finding the Fourth Proportional to 201,155,525.60, 301,733,288.40 and 189,251,247.20

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Solution

The fourth proportional to 201,155,525.60, 301,733,288.40 and 189,251,247.20 is: 283,876,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,155,525.60 : 301,733,288.40 = 189,251,247.20 : x
  2. Step 2: Convert to fraction form
    201,155,525.60/301,733,288.40 = 189,251,247.20/x
  3. Step 3: Cross multiply
    201,155,525.60x = 301,733,288.40 × 189,251,247.20
  4. Step 4: Simplify right side
    201,155,525.60x = 57,103,401,151,457,288
  5. Step 5: Solve for x
    x = 57,103,401,151,457,288/201,155,525.60
  6. Step 6: Final answer
    x = 283,876,870.80

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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.