Finding the Fourth Proportional to 202,145,938.96, 278,961,395.56 and 109,326,446.70
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Solution
The fourth proportional to 202,145,938.96, 278,961,395.56 and 109,326,446.70 is: 150,870,496.33
Step by Step Solution
- Step 1: Write the proportion equation
202,145,938.96 : 278,961,395.56 = 109,326,446.70 : x - Step 2: Convert to fraction form
202,145,938.96/278,961,395.56 = 109,326,446.70/x - Step 3: Cross multiply
202,145,938.96x = 278,961,395.56 × 109,326,446.70 - Step 4: Simplify right side
202,145,938.96x = 30,497,858,141,106,516 - Step 5: Solve for x
x = 30,497,858,141,106,516/202,145,938.96 - Step 6: Final answer
x = 150,870,496.33
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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.