Finding the Fourth Proportional to 80,842,835.70, 121,265,290.35 and 26,990,147.70
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Solution
The fourth proportional to 80,842,835.70, 121,265,290.35 and 26,990,147.70 is: 40,485,567.70
Step by Step Solution
- Step 1: Write the proportion equation
80,842,835.70 : 121,265,290.35 = 26,990,147.70 : x - Step 2: Convert to fraction form
80,842,835.70/121,265,290.35 = 26,990,147.70/x - Step 3: Cross multiply
80,842,835.70x = 121,265,290.35 × 26,990,147.70 - Step 4: Simplify right side
80,842,835.70x = 3,272,968,097,429,884.50 - Step 5: Solve for x
x = 3,272,968,097,429,884.50/80,842,835.70 - Step 6: Final answer
x = 40,485,567.70
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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.