Finding the Fourth Proportional to 247,246,706.34, 370,866,220.92 and 83,599,390.31
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Solution
The fourth proportional to 247,246,706.34, 370,866,220.92 and 83,599,390.31 is: 125,397,787.55
Step by Step Solution
- Step 1: Write the proportion equation
247,246,706.34 : 370,866,220.92 = 83,599,390.31 : x - Step 2: Convert to fraction form
247,246,706.34/370,866,220.92 = 83,599,390.31/x - Step 3: Cross multiply
247,246,706.34x = 370,866,220.92 × 83,599,390.31 - Step 4: Simplify right side
247,246,706.34x = 31,004,189,953,631,440 - Step 5: Solve for x
x = 31,004,189,953,631,440/247,246,706.34 - Step 6: Final answer
x = 125,397,787.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.