Finding the Fourth Proportional to 212,065,432.29, 292,652,989.79 and 116,706,920.18
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Solution
The fourth proportional to 212,065,432.29, 292,652,989.79 and 116,706,920.18 is: 161,057,032.02
Step by Step Solution
- Step 1: Write the proportion equation
212,065,432.29 : 292,652,989.79 = 116,706,920.18 : x - Step 2: Convert to fraction form
212,065,432.29/292,652,989.79 = 116,706,920.18/x - Step 3: Cross multiply
212,065,432.29x = 292,652,989.79 × 116,706,920.18 - Step 4: Simplify right side
212,065,432.29x = 34,154,629,117,813,088 - Step 5: Solve for x
x = 34,154,629,117,813,088/212,065,432.29 - Step 6: Final answer
x = 161,057,032.02
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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.