Finding the Fourth Proportional to 75,692,214.20, 104,455,297.38 and 40,884,904.62
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Solution
The fourth proportional to 75,692,214.20, 104,455,297.38 and 40,884,904.62 is: 56,421,190.95
Step by Step Solution
- Step 1: Write the proportion equation
75,692,214.20 : 104,455,297.38 = 40,884,904.62 : x - Step 2: Convert to fraction form
75,692,214.20/104,455,297.38 = 40,884,904.62/x - Step 3: Cross multiply
75,692,214.20x = 104,455,297.38 × 40,884,904.62 - Step 4: Simplify right side
75,692,214.20x = 4,270,644,870,435,035.50 - Step 5: Solve for x
x = 4,270,644,870,435,035.50/75,692,214.20 - Step 6: Final answer
x = 56,421,190.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.