Finding the Fourth Proportional to 307,836,052.74, 424,813,981.82 and 166,708,368.66
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Solution
The fourth proportional to 307,836,052.74, 424,813,981.82 and 166,708,368.66 is: 230,057,672.78
Step by Step Solution
- Step 1: Write the proportion equation
307,836,052.74 : 424,813,981.82 = 166,708,368.66 : x - Step 2: Convert to fraction form
307,836,052.74/424,813,981.82 = 166,708,368.66/x - Step 3: Cross multiply
307,836,052.74x = 424,813,981.82 × 166,708,368.66 - Step 4: Simplify right side
307,836,052.74x = 70,820,045,892,337,552 - Step 5: Solve for x
x = 70,820,045,892,337,552/307,836,052.74 - Step 6: Final answer
x = 230,057,672.78
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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.