Finding the Fourth Proportional to 158,176,809.54, 218,306,913.93 and 88,566,676.38
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Solution
The fourth proportional to 158,176,809.54, 218,306,913.93 and 88,566,676.38 is: 122,234,845.01
Step by Step Solution
- Step 1: Write the proportion equation
158,176,809.54 : 218,306,913.93 = 88,566,676.38 : x - Step 2: Convert to fraction form
158,176,809.54/218,306,913.93 = 88,566,676.38/x - Step 3: Cross multiply
158,176,809.54x = 218,306,913.93 × 88,566,676.38 - Step 4: Simplify right side
158,176,809.54x = 19,334,717,797,554,824 - Step 5: Solve for x
x = 19,334,717,797,554,824/158,176,809.54 - Step 6: Final answer
x = 122,234,845.01
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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.