Finding the Fourth Proportional to 68,178,368.18, 102,281,914.92 and 22,116,640.34
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Solution
The fourth proportional to 68,178,368.18, 102,281,914.92 and 22,116,640.34 is: 33,179,619.66
Step by Step Solution
- Step 1: Write the proportion equation
68,178,368.18 : 102,281,914.92 = 22,116,640.34 : x - Step 2: Convert to fraction form
68,178,368.18/102,281,914.92 = 22,116,640.34/x - Step 3: Cross multiply
68,178,368.18x = 102,281,914.92 × 22,116,640.34 - Step 4: Simplify right side
68,178,368.18x = 2,262,132,325,572,120 - Step 5: Solve for x
x = 2,262,132,325,572,120/68,178,368.18 - Step 6: Final answer
x = 33,179,619.66
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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.