Home / 90,777,284.32-125,268,285.36-49,521,716.32

Finding the Fourth Proportional to 90,777,284.32, 125,268,285.36 and 49,521,716.32

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Solution

The fourth proportional to 90,777,284.32, 125,268,285.36 and 49,521,716.32 is: 68,337,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777,284.32 : 125,268,285.36 = 49,521,716.32 : x
  2. Step 2: Convert to fraction form
    90,777,284.32/125,268,285.36 = 49,521,716.32/x
  3. Step 3: Cross multiply
    90,777,284.32x = 125,268,285.36 × 49,521,716.32
  4. Step 4: Simplify right side
    90,777,284.32x = 6,203,500,491,490,729
  5. Step 5: Solve for x
    x = 6,203,500,491,490,729/90,777,284.32
  6. Step 6: Final answer
    x = 68,337,586.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.