Finding the Fourth Proportional to 143,616,643.18, 215,115,539.81 and 97,304,414.06
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Solution
The fourth proportional to 143,616,643.18, 215,115,539.81 and 97,304,414.06 is: 145,746,976.77
Step by Step Solution
- Step 1: Write the proportion equation
143,616,643.18 : 215,115,539.81 = 97,304,414.06 : x - Step 2: Convert to fraction form
143,616,643.18/215,115,539.81 = 97,304,414.06/x - Step 3: Cross multiply
143,616,643.18x = 215,115,539.81 × 97,304,414.06 - Step 4: Simplify right side
143,616,643.18x = 20,931,691,556,463,920 - Step 5: Solve for x
x = 20,931,691,556,463,920/143,616,643.18 - Step 6: Final answer
x = 145,746,976.77
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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.