Finding the Fourth Proportional to 171,657,499.76, 236,888,581.92 and 93,340,491.92
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Solution
The fourth proportional to 171,657,499.76, 236,888,581.92 and 93,340,491.92 is: 128,810,548.90
Step by Step Solution
- Step 1: Write the proportion equation
171,657,499.76 : 236,888,581.92 = 93,340,491.92 : x - Step 2: Convert to fraction form
171,657,499.76/236,888,581.92 = 93,340,491.92/x - Step 3: Cross multiply
171,657,499.76x = 236,888,581.92 × 93,340,491.92 - Step 4: Simplify right side
171,657,499.76x = 22,111,296,766,644,016 - Step 5: Solve for x
x = 22,111,296,766,644,016/171,657,499.76 - Step 6: Final answer
x = 128,810,548.90
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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.