Finding the Fourth Proportional to 191,484,335.80, 287,226,503.70 and 53,309,675.80
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Solution
The fourth proportional to 191,484,335.80, 287,226,503.70 and 53,309,675.80 is: 79,964,513.70
Step by Step Solution
- Step 1: Write the proportion equation
191,484,335.80 : 287,226,503.70 = 53,309,675.80 : x - Step 2: Convert to fraction form
191,484,335.80/287,226,503.70 = 53,309,675.80/x - Step 3: Cross multiply
191,484,335.80x = 287,226,503.70 × 53,309,675.80 - Step 4: Simplify right side
191,484,335.80x = 15,311,951,793,414,498 - Step 5: Solve for x
x = 15,311,951,793,414,498/191,484,335.80 - Step 6: Final answer
x = 79,964,513.70
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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.