Finding the Fourth Proportional to 168,309,726.92, 252,245,605.05 and 68,483,031.41
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Solution
The fourth proportional to 168,309,726.92, 252,245,605.05 and 68,483,031.41 is: 102,635,444.84
Step by Step Solution
- Step 1: Write the proportion equation
168,309,726.92 : 252,245,605.05 = 68,483,031.41 : x - Step 2: Convert to fraction form
168,309,726.92/252,245,605.05 = 68,483,031.41/x - Step 3: Cross multiply
168,309,726.92x = 252,245,605.05 × 68,483,031.41 - Step 4: Simplify right side
168,309,726.92x = 17,274,543,693,673,604 - Step 5: Solve for x
x = 17,274,543,693,673,604/168,309,726.92 - Step 6: Final answer
x = 102,635,444.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.