Finding the Fourth Proportional to 98,318,663.20, 147,537,043.80 and 40,804,937.20
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Solution
The fourth proportional to 98,318,663.20, 147,537,043.80 and 40,804,937.20 is: 61,231,912.75
Step by Step Solution
- Step 1: Write the proportion equation
98,318,663.20 : 147,537,043.80 = 40,804,937.20 : x - Step 2: Convert to fraction form
98,318,663.20/147,537,043.80 = 40,804,937.20/x - Step 3: Cross multiply
98,318,663.20x = 147,537,043.80 × 40,804,937.20 - Step 4: Simplify right side
98,318,663.20x = 6,020,239,806,932,650 - Step 5: Solve for x
x = 6,020,239,806,932,650/98,318,663.20 - Step 6: Final answer
x = 61,231,912.75
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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.