Finding the Fourth Proportional to 210,085,673.84, 289,966,602.84 and 123,193,539.44
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Solution
The fourth proportional to 210,085,673.84, 289,966,602.84 and 123,193,539.44 is: 170,035,450.16
Step by Step Solution
- Step 1: Write the proportion equation
210,085,673.84 : 289,966,602.84 = 123,193,539.44 : x - Step 2: Convert to fraction form
210,085,673.84/289,966,602.84 = 123,193,539.44/x - Step 3: Cross multiply
210,085,673.84x = 289,966,602.84 × 123,193,539.44 - Step 4: Simplify right side
210,085,673.84x = 35,722,012,123,252,352 - Step 5: Solve for x
x = 35,722,012,123,252,352/210,085,673.84 - Step 6: Final answer
x = 170,035,450.16
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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.