Finding the Fourth Proportional to 86,710,171.29, 119,649,038.49 and 47,541,641.01
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Solution
The fourth proportional to 86,710,171.29, 119,649,038.49 and 47,541,641.01 is: 65,601,434.65
Step by Step Solution
- Step 1: Write the proportion equation
86,710,171.29 : 119,649,038.49 = 47,541,641.01 : x - Step 2: Convert to fraction form
86,710,171.29/119,649,038.49 = 47,541,641.01/x - Step 3: Cross multiply
86,710,171.29x = 119,649,038.49 × 47,541,641.01 - Step 4: Simplify right side
86,710,171.29x = 5,688,311,635,083,252 - Step 5: Solve for x
x = 5,688,311,635,083,252/86,710,171.29 - Step 6: Final answer
x = 65,601,434.65
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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.