Finding the Fourth Proportional to 132,142,828.98, 198,010,524.42 and 70,740,135.84
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Solution
The fourth proportional to 132,142,828.98, 198,010,524.42 and 70,740,135.84 is: 106,001,146.66
Step by Step Solution
- Step 1: Write the proportion equation
132,142,828.98 : 198,010,524.42 = 70,740,135.84 : x - Step 2: Convert to fraction form
132,142,828.98/198,010,524.42 = 70,740,135.84/x - Step 3: Cross multiply
132,142,828.98x = 198,010,524.42 × 70,740,135.84 - Step 4: Simplify right side
132,142,828.98x = 14,007,291,395,220,436 - Step 5: Solve for x
x = 14,007,291,395,220,436/132,142,828.98 - Step 6: Final answer
x = 106,001,146.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.