Finding the Fourth Proportional to 123,552,658.60, 170,523,135.30 and 68,566,177.96
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Solution
The fourth proportional to 123,552,658.60, 170,523,135.30 and 68,566,177.96 is: 94,632,683.54
Step by Step Solution
- Step 1: Write the proportion equation
123,552,658.60 : 170,523,135.30 = 68,566,177.96 : x - Step 2: Convert to fraction form
123,552,658.60/170,523,135.30 = 68,566,177.96/x - Step 3: Cross multiply
123,552,658.60x = 170,523,135.30 × 68,566,177.96 - Step 4: Simplify right side
123,552,658.60x = 11,692,119,641,276,958 - Step 5: Solve for x
x = 11,692,119,641,276,958/123,552,658.60 - Step 6: Final answer
x = 94,632,683.54
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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.