Finding the Fourth Proportional to 160,044,542.84, 220,861,693.24 and 86,705,684.84
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Solution
The fourth proportional to 160,044,542.84, 220,861,693.24 and 86,705,684.84 is: 119,653,966.50
Step by Step Solution
- Step 1: Write the proportion equation
160,044,542.84 : 220,861,693.24 = 86,705,684.84 : x - Step 2: Convert to fraction form
160,044,542.84/220,861,693.24 = 86,705,684.84/x - Step 3: Cross multiply
160,044,542.84x = 220,861,693.24 × 86,705,684.84 - Step 4: Simplify right side
160,044,542.84x = 19,149,964,367,296,200 - Step 5: Solve for x
x = 19,149,964,367,296,200/160,044,542.84 - Step 6: Final answer
x = 119,653,966.50
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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.