Finding the Fourth Proportional to 61,655,385.81, 85,084,402.84 and 36,875,572.23
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Solution
The fourth proportional to 61,655,385.81, 85,084,402.84 and 36,875,572.23 is: 50,888,271.99
Step by Step Solution
- Step 1: Write the proportion equation
61,655,385.81 : 85,084,402.84 = 36,875,572.23 : x - Step 2: Convert to fraction form
61,655,385.81/85,084,402.84 = 36,875,572.23/x - Step 3: Cross multiply
61,655,385.81x = 85,084,402.84 × 36,875,572.23 - Step 4: Simplify right side
61,655,385.81x = 3,137,536,042,572,837 - Step 5: Solve for x
x = 3,137,536,042,572,837/61,655,385.81 - Step 6: Final answer
x = 50,888,271.99
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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.