Finding the Fourth Proportional to 197,461,838.93, 272,366,128.65 and 126,986,551.25
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Solution
The fourth proportional to 197,461,838.93, 272,366,128.65 and 126,986,551.25 is: 175,157,060.94
Step by Step Solution
- Step 1: Write the proportion equation
197,461,838.93 : 272,366,128.65 = 126,986,551.25 : x - Step 2: Convert to fraction form
197,461,838.93/272,366,128.65 = 126,986,551.25/x - Step 3: Cross multiply
197,461,838.93x = 272,366,128.65 × 126,986,551.25 - Step 4: Simplify right side
197,461,838.93x = 34,586,835,353,215,484 - Step 5: Solve for x
x = 34,586,835,353,215,484/197,461,838.93 - Step 6: Final answer
x = 175,157,060.94
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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.