Finding the Fourth Proportional to 115,584,400.62, 173,350,070.08 and 68,911,092.94
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Solution
The fourth proportional to 115,584,400.62, 173,350,070.08 and 68,911,092.94 is: 103,350,821.79
Step by Step Solution
- Step 1: Write the proportion equation
115,584,400.62 : 173,350,070.08 = 68,911,092.94 : x - Step 2: Convert to fraction form
115,584,400.62/173,350,070.08 = 68,911,092.94/x - Step 3: Cross multiply
115,584,400.62x = 173,350,070.08 × 68,911,092.94 - Step 4: Simplify right side
115,584,400.62x = 11,945,742,790,438,394 - Step 5: Solve for x
x = 11,945,742,790,438,394/115,584,400.62 - Step 6: Final answer
x = 103,350,821.79
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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.