Home / 286,149,626.40-429,255,932.40-92,028,007.20

Finding the Fourth Proportional to 286,149,626.40, 429,255,932.40 and 92,028,007.20

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Solution

The fourth proportional to 286,149,626.40, 429,255,932.40 and 92,028,007.20 is: 138,052,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,149,626.40 : 429,255,932.40 = 92,028,007.20 : x
  2. Step 2: Convert to fraction form
    286,149,626.40/429,255,932.40 = 92,028,007.20/x
  3. Step 3: Cross multiply
    286,149,626.40x = 429,255,932.40 × 92,028,007.20
  4. Step 4: Simplify right side
    286,149,626.40x = 39,503,568,037,549,912
  5. Step 5: Solve for x
    x = 39,503,568,037,549,912/286,149,626.40
  6. Step 6: Final answer
    x = 138,052,139.14

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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.