Finding the Fourth Proportional to 135,067,177.51, 202,620,944.70 and 42,953,920.62
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Solution
The fourth proportional to 135,067,177.51, 202,620,944.70 and 42,953,920.62 is: 64,437,298.05
Step by Step Solution
- Step 1: Write the proportion equation
135,067,177.51 : 202,620,944.70 = 42,953,920.62 : x - Step 2: Convert to fraction form
135,067,177.51/202,620,944.70 = 42,953,920.62/x - Step 3: Cross multiply
135,067,177.51x = 202,620,944.70 × 42,953,920.62 - Step 4: Simplify right side
135,067,177.51x = 8,703,363,974,593,209 - Step 5: Solve for x
x = 8,703,363,974,593,209/135,067,177.51 - Step 6: Final answer
x = 64,437,298.05
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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.