Finding the Fourth Proportional to 108,515,125, 149,713,835.70 and 67,246,959.88
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Solution
The fourth proportional to 108,515,125, 149,713,835.70 and 67,246,959.88 is: 92,777,852.88
Step by Step Solution
- Step 1: Write the proportion equation
108,515,125 : 149,713,835.70 = 67,246,959.88 : x - Step 2: Convert to fraction form
108,515,125/149,713,835.70 = 67,246,959.88/x - Step 3: Cross multiply
108,515,125x = 149,713,835.70 × 67,246,959.88 - Step 4: Simplify right side
108,515,125x = 10,067,800,302,798,810 - Step 5: Solve for x
x = 10,067,800,302,798,810/108,515,125 - Step 6: Final answer
x = 92,777,852.88
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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.