Finding the Fourth Proportional to 128,465,594.26, 177,282,699.30 and 69,728,271.37
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Solution
The fourth proportional to 128,465,594.26, 177,282,699.30 and 69,728,271.37 is: 96,225,111.77
Step by Step Solution
- Step 1: Write the proportion equation
128,465,594.26 : 177,282,699.30 = 69,728,271.37 : x - Step 2: Convert to fraction form
128,465,594.26/177,282,699.30 = 69,728,271.37/x - Step 3: Cross multiply
128,465,594.26x = 177,282,699.30 × 69,728,271.37 - Step 4: Simplify right side
128,465,594.26x = 12,361,616,165,553,304 - Step 5: Solve for x
x = 12,361,616,165,553,304/128,465,594.26 - Step 6: Final answer
x = 96,225,111.77
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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.