Finding the Fourth Proportional to 97,806,040.90, 146,709,061.35 and 65,557,413.70
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Solution
The fourth proportional to 97,806,040.90, 146,709,061.35 and 65,557,413.70 is: 98,336,120.55
Step by Step Solution
- Step 1: Write the proportion equation
97,806,040.90 : 146,709,061.35 = 65,557,413.70 : x - Step 2: Convert to fraction form
97,806,040.90/146,709,061.35 = 65,557,413.70/x - Step 3: Cross multiply
97,806,040.90x = 146,709,061.35 × 65,557,413.70 - Step 4: Simplify right side
97,806,040.90x = 9,617,866,628,460,630 - Step 5: Solve for x
x = 9,617,866,628,460,630/97,806,040.90 - Step 6: Final answer
x = 98,336,120.55
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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.