Finding the Fourth Proportional to 42,108,901.80, 63,163,352.70 and 35,944,186.20
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Solution
The fourth proportional to 42,108,901.80, 63,163,352.70 and 35,944,186.20 is: 53,916,279.30
Step by Step Solution
- Step 1: Write the proportion equation
42,108,901.80 : 63,163,352.70 = 35,944,186.20 : x - Step 2: Convert to fraction form
42,108,901.80/63,163,352.70 = 35,944,186.20/x - Step 3: Cross multiply
42,108,901.80x = 63,163,352.70 × 35,944,186.20 - Step 4: Simplify right side
42,108,901.80x = 2,270,355,310,465,073 - Step 5: Solve for x
x = 2,270,355,310,465,073/42,108,901.80 - Step 6: Final answer
x = 53,916,279.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.