Finding the Fourth Proportional to 161,357,442.92, 241,535,159.42 and 87,397,537.06
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Solution
The fourth proportional to 161,357,442.92, 241,535,159.42 and 87,397,537.06 is: 130,824,941.60
Step by Step Solution
- Step 1: Write the proportion equation
161,357,442.92 : 241,535,159.42 = 87,397,537.06 : x - Step 2: Convert to fraction form
161,357,442.92/241,535,159.42 = 87,397,537.06/x - Step 3: Cross multiply
161,357,442.92x = 241,535,159.42 × 87,397,537.06 - Step 4: Simplify right side
161,357,442.92x = 21,109,578,045,494,784 - Step 5: Solve for x
x = 21,109,578,045,494,784/161,357,442.92 - Step 6: Final answer
x = 130,824,941.60
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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.