Finding the Fourth Proportional to 307,836,051.24, 424,813,979.75 and 166,708,367.15
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Solution
The fourth proportional to 307,836,051.24, 424,813,979.75 and 166,708,367.15 is: 230,057,670.70
Step by Step Solution
- Step 1: Write the proportion equation
307,836,051.24 : 424,813,979.75 = 166,708,367.15 : x - Step 2: Convert to fraction form
307,836,051.24/424,813,979.75 = 166,708,367.15/x - Step 3: Cross multiply
307,836,051.24x = 424,813,979.75 × 166,708,367.15 - Step 4: Simplify right side
307,836,051.24x = 70,820,044,906,844,160 - Step 5: Solve for x
x = 70,820,044,906,844,160/307,836,051.24 - Step 6: Final answer
x = 230,057,670.70
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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.