Finding the Fourth Proportional to 307,836,052.24, 424,813,981.13 and 166,708,368.15
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Solution
The fourth proportional to 307,836,052.24, 424,813,981.13 and 166,708,368.15 is: 230,057,672.08
Step by Step Solution
- Step 1: Write the proportion equation
307,836,052.24 : 424,813,981.13 = 166,708,368.15 : x - Step 2: Convert to fraction form
307,836,052.24/424,813,981.13 = 166,708,368.15/x - Step 3: Cross multiply
307,836,052.24x = 424,813,981.13 × 166,708,368.15 - Step 4: Simplify right side
307,836,052.24x = 70,820,045,561,487,192 - Step 5: Solve for x
x = 70,820,045,561,487,192/307,836,052.24 - Step 6: Final answer
x = 230,057,672.08
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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.