Finding the Fourth Proportional to 84,235,974.03, 116,246,413.35 and 49,429,244.52
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Solution
The fourth proportional to 84,235,974.03, 116,246,413.35 and 49,429,244.52 is: 68,212,808.79
Step by Step Solution
- Step 1: Write the proportion equation
84,235,974.03 : 116,246,413.35 = 49,429,244.52 : x - Step 2: Convert to fraction form
84,235,974.03/116,246,413.35 = 49,429,244.52/x - Step 3: Cross multiply
84,235,974.03x = 116,246,413.35 × 49,429,244.52 - Step 4: Simplify right side
84,235,974.03x = 5,745,972,390,050,142 - Step 5: Solve for x
x = 5,745,972,390,050,142/84,235,974.03 - Step 6: Final answer
x = 68,212,808.79
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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.