Finding the Fourth Proportional to 198,742,117.33, 297,975,124.57 and 88,017,450.63
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Solution
The fourth proportional to 198,742,117.33, 297,975,124.57 and 88,017,450.63 is: 131,965,036.74
Step by Step Solution
- Step 1: Write the proportion equation
198,742,117.33 : 297,975,124.57 = 88,017,450.63 : x - Step 2: Convert to fraction form
198,742,117.33/297,975,124.57 = 88,017,450.63/x - Step 3: Cross multiply
198,742,117.33x = 297,975,124.57 × 88,017,450.63 - Step 4: Simplify right side
198,742,117.33x = 26,227,010,815,808,072 - Step 5: Solve for x
x = 26,227,010,815,808,072/198,742,117.33 - Step 6: Final answer
x = 131,965,036.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.