Finding the Fourth Proportional to 194,590,684.38, 268,535,170.98 and 106,484,703.06
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Solution
The fourth proportional to 194,590,684.38, 268,535,170.98 and 106,484,703.06 is: 146,948,904.74
Step by Step Solution
- Step 1: Write the proportion equation
194,590,684.38 : 268,535,170.98 = 106,484,703.06 : x - Step 2: Convert to fraction form
194,590,684.38/268,535,170.98 = 106,484,703.06/x - Step 3: Cross multiply
194,590,684.38x = 268,535,170.98 × 106,484,703.06 - Step 4: Simplify right side
194,590,684.38x = 28,594,887,942,971,632 - Step 5: Solve for x
x = 28,594,887,942,971,632/194,590,684.38 - Step 6: Final answer
x = 146,948,904.74
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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.