Finding the Fourth Proportional to 160,070,277.12, 220,879,976.36 and 88,531,790.73
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Solution
The fourth proportional to 160,070,277.12, 220,879,976.36 and 88,531,790.73 is: 122,164,465.47
Step by Step Solution
- Step 1: Write the proportion equation
160,070,277.12 : 220,879,976.36 = 88,531,790.73 : x - Step 2: Convert to fraction form
160,070,277.12/220,879,976.36 = 88,531,790.73/x - Step 3: Cross multiply
160,070,277.12x = 220,879,976.36 × 88,531,790.73 - Step 4: Simplify right side
160,070,277.12x = 19,554,899,842,003,808 - Step 5: Solve for x
x = 19,554,899,842,003,808/160,070,277.12 - Step 6: Final answer
x = 122,164,465.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.