Finding the Fourth Proportional to 191,838,719.70, 264,721,440.06 and 108,202,240.98
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Solution
The fourth proportional to 191,838,719.70, 264,721,440.06 and 108,202,240.98 is: 149,310,072.00
Step by Step Solution
- Step 1: Write the proportion equation
191,838,719.70 : 264,721,440.06 = 108,202,240.98 : x - Step 2: Convert to fraction form
191,838,719.70/264,721,440.06 = 108,202,240.98/x - Step 3: Cross multiply
191,838,719.70x = 264,721,440.06 × 108,202,240.98 - Step 4: Simplify right side
191,838,719.70x = 28,643,453,049,944,748 - Step 5: Solve for x
x = 28,643,453,049,944,748/191,838,719.70 - Step 6: Final answer
x = 149,310,072.00
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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.