Finding the Fourth Proportional to 57,947,416.40, 86,889,631.80 and 23,872,206.80
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Solution
The fourth proportional to 57,947,416.40, 86,889,631.80 and 23,872,206.80 is: 35,795,336.32
Step by Step Solution
- Step 1: Write the proportion equation
57,947,416.40 : 86,889,631.80 = 23,872,206.80 : x - Step 2: Convert to fraction form
57,947,416.40/86,889,631.80 = 23,872,206.80/x - Step 3: Cross multiply
57,947,416.40x = 86,889,631.80 × 23,872,206.80 - Step 4: Simplify right side
57,947,416.40x = 2,074,247,259,105,456.25 - Step 5: Solve for x
x = 2,074,247,259,105,456.25/57,947,416.40 - Step 6: Final answer
x = 35,795,336.32
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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.