Finding the Fourth Proportional to 178,683,429.29, 246,589,120.03 and 99,301,835.99
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Solution
The fourth proportional to 178,683,429.29, 246,589,120.03 and 99,301,835.99 is: 137,039,861.23
Step by Step Solution
- Step 1: Write the proportion equation
178,683,429.29 : 246,589,120.03 = 99,301,835.99 : x - Step 2: Convert to fraction form
178,683,429.29/246,589,120.03 = 99,301,835.99/x - Step 3: Cross multiply
178,683,429.29x = 246,589,120.03 × 99,301,835.99 - Step 4: Simplify right side
178,683,429.29x = 24,486,752,353,583,124 - Step 5: Solve for x
x = 24,486,752,353,583,124/178,683,429.29 - Step 6: Final answer
x = 137,039,861.23
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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.