Finding the Fourth Proportional to 98,318,680.70, 147,537,070.05 and 40,804,954.70
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Solution
The fourth proportional to 98,318,680.70, 147,537,070.05 and 40,804,954.70 is: 61,231,939.01
Step by Step Solution
- Step 1: Write the proportion equation
98,318,680.70 : 147,537,070.05 = 40,804,954.70 : x - Step 2: Convert to fraction form
98,318,680.70/147,537,070.05 = 40,804,954.70/x - Step 3: Cross multiply
98,318,680.70x = 147,537,070.05 × 40,804,954.70 - Step 4: Simplify right side
98,318,680.70x = 6,020,243,459,960,978 - Step 5: Solve for x
x = 6,020,243,459,960,978/98,318,680.70 - Step 6: Final answer
x = 61,231,939.01
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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.