Finding the Fourth Proportional to 68,801,367.80, 103,202,263.99 and 16,985,976.41
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Solution
The fourth proportional to 68,801,367.80, 103,202,263.99 and 16,985,976.41 is: 25,479,017.03
Step by Step Solution
- Step 1: Write the proportion equation
68,801,367.80 : 103,202,263.99 = 16,985,976.41 : x - Step 2: Convert to fraction form
68,801,367.80/103,202,263.99 = 16,985,976.41/x - Step 3: Cross multiply
68,801,367.80x = 103,202,263.99 × 16,985,976.41 - Step 4: Simplify right side
68,801,367.80x = 1,752,991,221,871,970.75 - Step 5: Solve for x
x = 1,752,991,221,871,970.75/68,801,367.80 - Step 6: Final answer
x = 25,479,017.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.