Finding the Fourth Proportional to 96,903,327.42, 133,721,873.46 and 57,744,232.20
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Solution
The fourth proportional to 96,903,327.42, 133,721,873.46 and 57,744,232.20 is: 79,684,228.78
Step by Step Solution
- Step 1: Write the proportion equation
96,903,327.42 : 133,721,873.46 = 57,744,232.20 : x - Step 2: Convert to fraction form
96,903,327.42/133,721,873.46 = 57,744,232.20/x - Step 3: Cross multiply
96,903,327.42x = 133,721,873.46 × 57,744,232.20 - Step 4: Simplify right side
96,903,327.42x = 7,721,666,911,293,257 - Step 5: Solve for x
x = 7,721,666,911,293,257/96,903,327.42 - Step 6: Final answer
x = 79,684,228.78
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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.