Finding the Fourth Proportional to 199,769,498.70, 299,674,206.45 and 54,205,370.70
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Solution
The fourth proportional to 199,769,498.70, 299,674,206.45 and 54,205,370.70 is: 81,313,471.55
Step by Step Solution
- Step 1: Write the proportion equation
199,769,498.70 : 299,674,206.45 = 54,205,370.70 : x - Step 2: Convert to fraction form
199,769,498.70/299,674,206.45 = 54,205,370.70/x - Step 3: Cross multiply
199,769,498.70x = 299,674,206.45 × 54,205,370.70 - Step 4: Simplify right side
199,769,498.70x = 16,243,951,449,850,582 - Step 5: Solve for x
x = 16,243,951,449,850,582/199,769,498.70 - Step 6: Final answer
x = 81,313,471.55
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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.