Finding the Fourth Proportional to 143,616,645.87, 215,115,543.84 and 97,304,416.75
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Solution
The fourth proportional to 143,616,645.87, 215,115,543.84 and 97,304,416.75 is: 145,746,980.79
Step by Step Solution
- Step 1: Write the proportion equation
143,616,645.87 : 215,115,543.84 = 97,304,416.75 : x - Step 2: Convert to fraction form
143,616,645.87/215,115,543.84 = 97,304,416.75/x - Step 3: Cross multiply
143,616,645.87x = 215,115,543.84 × 97,304,416.75 - Step 4: Simplify right side
143,616,645.87x = 20,931,692,526,723,736 - Step 5: Solve for x
x = 20,931,692,526,723,736/143,616,645.87 - Step 6: Final answer
x = 145,746,980.79
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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.