Home / 61,261,477.20-91,892,215.80-30,965,403.60

Finding the Fourth Proportional to 61,261,477.20, 91,892,215.80 and 30,965,403.60

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Solution

The fourth proportional to 61,261,477.20, 91,892,215.80 and 30,965,403.60 is: 46,448,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,261,477.20 : 91,892,215.80 = 30,965,403.60 : x
  2. Step 2: Convert to fraction form
    61,261,477.20/91,892,215.80 = 30,965,403.60/x
  3. Step 3: Cross multiply
    61,261,477.20x = 91,892,215.80 × 30,965,403.60
  4. Step 4: Simplify right side
    61,261,477.20x = 2,845,479,549,945,297
  5. Step 5: Solve for x
    x = 2,845,479,549,945,297/61,261,477.20
  6. Step 6: Final answer
    x = 46,448,105.40

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1.5x scale

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.