Finding the Fourth Proportional to 275,272,392.18, 379,682,497.95 and 181,156,552.98
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Solution
The fourth proportional to 275,272,392.18, 379,682,497.95 and 181,156,552.98 is: 249,868,764.57
Step by Step Solution
- Step 1: Write the proportion equation
275,272,392.18 : 379,682,497.95 = 181,156,552.98 : x - Step 2: Convert to fraction form
275,272,392.18/379,682,497.95 = 181,156,552.98/x - Step 3: Cross multiply
275,272,392.18x = 379,682,497.95 × 181,156,552.98 - Step 4: Simplify right side
275,272,392.18x = 68,781,972,555,457,912 - Step 5: Solve for x
x = 68,781,972,555,457,912/275,272,392.18 - Step 6: Final answer
x = 249,868,764.57
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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.