Finding the Fourth Proportional to 128,006,896.58, 176,649,982.26 and 69,269,555.36
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Solution
The fourth proportional to 128,006,896.58, 176,649,982.26 and 69,269,555.36 is: 95,592,238.02
Step by Step Solution
- Step 1: Write the proportion equation
128,006,896.58 : 176,649,982.26 = 69,269,555.36 : x - Step 2: Convert to fraction form
128,006,896.58/176,649,982.26 = 69,269,555.36/x - Step 3: Cross multiply
128,006,896.58x = 176,649,982.26 × 69,269,555.36 - Step 4: Simplify right side
128,006,896.58x = 12,236,465,725,502,088 - Step 5: Solve for x
x = 12,236,465,725,502,088/128,006,896.58 - Step 6: Final answer
x = 95,592,238.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.