Finding the Fourth Proportional to 287,330,782.23, 396,516,464.28 and 155,171,766.02
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Solution
The fourth proportional to 287,330,782.23, 396,516,464.28 and 155,171,766.02 is: 214,137,028.89
Step by Step Solution
- Step 1: Write the proportion equation
287,330,782.23 : 396,516,464.28 = 155,171,766.02 : x - Step 2: Convert to fraction form
287,330,782.23/396,516,464.28 = 155,171,766.02/x - Step 3: Cross multiply
287,330,782.23x = 396,516,464.28 × 155,171,766.02 - Step 4: Simplify right side
287,330,782.23x = 61,528,160,016,351,256 - Step 5: Solve for x
x = 61,528,160,016,351,256/287,330,782.23 - Step 6: Final answer
x = 214,137,028.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.