Finding the Fourth Proportional to 166,069,106.70, 249,103,660.05 and 108,738,213.90
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Solution
The fourth proportional to 166,069,106.70, 249,103,660.05 and 108,738,213.90 is: 163,107,320.85
Step by Step Solution
- Step 1: Write the proportion equation
166,069,106.70 : 249,103,660.05 = 108,738,213.90 : x - Step 2: Convert to fraction form
166,069,106.70/249,103,660.05 = 108,738,213.90/x - Step 3: Cross multiply
166,069,106.70x = 249,103,660.05 × 108,738,213.90 - Step 4: Simplify right side
166,069,106.70x = 27,087,087,069,789,788 - Step 5: Solve for x
x = 27,087,087,069,789,788/166,069,106.70 - Step 6: Final answer
x = 163,107,320.85
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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.