Finding the Fourth Proportional to 178,678,390.91, 246,582,160.20 and 99,296,798.03
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Solution
The fourth proportional to 178,678,390.91, 246,582,160.20 and 99,296,798.03 is: 137,032,904.95
Step by Step Solution
- Step 1: Write the proportion equation
178,678,390.91 : 246,582,160.20 = 99,296,798.03 : x - Step 2: Convert to fraction form
178,678,390.91/246,582,160.20 = 99,296,798.03/x - Step 3: Cross multiply
178,678,390.91x = 246,582,160.20 × 99,296,798.03 - Step 4: Simplify right side
178,678,390.91x = 24,484,818,957,451,112 - Step 5: Solve for x
x = 24,484,818,957,451,112/178,678,390.91 - Step 6: Final answer
x = 137,032,904.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.