Finding the Fourth Proportional to 86,221,032.12, 118,967,262.30 and 49,544,517.24
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Solution
The fourth proportional to 86,221,032.12, 118,967,262.30 and 49,544,517.24 is: 68,361,227.34
Step by Step Solution
- Step 1: Write the proportion equation
86,221,032.12 : 118,967,262.30 = 49,544,517.24 : x - Step 2: Convert to fraction form
86,221,032.12/118,967,262.30 = 49,544,517.24/x - Step 3: Cross multiply
86,221,032.12x = 118,967,262.30 × 49,544,517.24 - Step 4: Simplify right side
86,221,032.12x = 5,894,175,578,017,952 - Step 5: Solve for x
x = 5,894,175,578,017,952/86,221,032.12 - Step 6: Final answer
x = 68,361,227.34
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1.5x scale
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.