Home / 31,043,485.60-46,565,228.40-28,705,145.20

Finding the Fourth Proportional to 31,043,485.60, 46,565,228.40 and 28,705,145.20

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Solution

The fourth proportional to 31,043,485.60, 46,565,228.40 and 28,705,145.20 is: 43,057,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,043,485.60 : 46,565,228.40 = 28,705,145.20 : x
  2. Step 2: Convert to fraction form
    31,043,485.60/46,565,228.40 = 28,705,145.20/x
  3. Step 3: Cross multiply
    31,043,485.60x = 46,565,228.40 × 28,705,145.20
  4. Step 4: Simplify right side
    31,043,485.60x = 1,336,661,642,493,163.50
  5. Step 5: Solve for x
    x = 1,336,661,642,493,163.50/31,043,485.60
  6. Step 6: Final answer
    x = 43,057,717.80

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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.