Finding the Fourth Proportional to 84,249,929.70, 126,388,891.35 and 33,133,616.10
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Solution
The fourth proportional to 84,249,929.70, 126,388,891.35 and 33,133,616.10 is: 49,705,928.78
Step by Step Solution
- Step 1: Write the proportion equation
84,249,929.70 : 126,388,891.35 = 33,133,616.10 : x - Step 2: Convert to fraction form
84,249,929.70/126,388,891.35 = 33,133,616.10/x - Step 3: Cross multiply
84,249,929.70x = 126,388,891.35 × 33,133,616.10 - Step 4: Simplify right side
84,249,929.70x = 4,187,721,005,295,510.50 - Step 5: Solve for x
x = 4,187,721,005,295,510.50/84,249,929.70 - Step 6: Final answer
x = 49,705,928.78
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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.