Home / 43,485,216.60-65,235,698.10-21,865,409.40

Finding the Fourth Proportional to 43,485,216.60, 65,235,698.10 and 21,865,409.40

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Solution

The fourth proportional to 43,485,216.60, 65,235,698.10 and 21,865,409.40 is: 32,802,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,485,216.60 : 65,235,698.10 = 21,865,409.40 : x
  2. Step 2: Convert to fraction form
    43,485,216.60/65,235,698.10 = 21,865,409.40/x
  3. Step 3: Cross multiply
    43,485,216.60x = 65,235,698.10 × 21,865,409.40
  4. Step 4: Simplify right side
    43,485,216.60x = 1,426,405,246,451,302
  5. Step 5: Solve for x
    x = 1,426,405,246,451,302/43,485,216.60
  6. Step 6: Final answer
    x = 32,802,072.93

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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.