Finding the Fourth Proportional to 216,950,536.76, 325,512,027.26 and 69,420,821.60
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Solution
The fourth proportional to 216,950,536.76, 325,512,027.26 and 69,420,821.60 is: 104,158,822.14
Step by Step Solution
- Step 1: Write the proportion equation
216,950,536.76 : 325,512,027.26 = 69,420,821.60 : x - Step 2: Convert to fraction form
216,950,536.76/325,512,027.26 = 69,420,821.60/x - Step 3: Cross multiply
216,950,536.76x = 325,512,027.26 × 69,420,821.60 - Step 4: Simplify right side
216,950,536.76x = 22,597,312,371,616,788 - Step 5: Solve for x
x = 22,597,312,371,616,788/216,950,536.76 - Step 6: Final answer
x = 104,158,822.14
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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.