Finding the Fourth Proportional to 97,806,637.20, 146,709,955.80 and 63,794,413.20
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Solution
The fourth proportional to 97,806,637.20, 146,709,955.80 and 63,794,413.20 is: 95,691,619.80
Step by Step Solution
- Step 1: Write the proportion equation
97,806,637.20 : 146,709,955.80 = 63,794,413.20 : x - Step 2: Convert to fraction form
97,806,637.20/146,709,955.80 = 63,794,413.20/x - Step 3: Cross multiply
97,806,637.20x = 146,709,955.80 × 63,794,413.20 - Step 4: Simplify right side
97,806,637.20x = 9,359,275,540,858,938 - Step 5: Solve for x
x = 9,359,275,540,858,938/97,806,637.20 - Step 6: Final answer
x = 95,691,619.80
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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.