Finding the Fourth Proportional to 42,705,188.68, 58,933,217.28 and 23,126,110.84
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Solution
The fourth proportional to 42,705,188.68, 58,933,217.28 and 23,126,110.84 is: 31,914,063.77
Step by Step Solution
- Step 1: Write the proportion equation
42,705,188.68 : 58,933,217.28 = 23,126,110.84 : x - Step 2: Convert to fraction form
42,705,188.68/58,933,217.28 = 23,126,110.84/x - Step 3: Cross multiply
42,705,188.68x = 58,933,217.28 × 23,126,110.84 - Step 4: Simplify right side
42,705,188.68x = 1,362,896,114,975,083.25 - Step 5: Solve for x
x = 1,362,896,114,975,083.25/42,705,188.68 - Step 6: Final answer
x = 31,914,063.77
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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.