Finding the Fourth Proportional to 73,811,792.10, 110,717,688.15 and 54,679,916.10
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Solution
The fourth proportional to 73,811,792.10, 110,717,688.15 and 54,679,916.10 is: 82,019,874.15
Step by Step Solution
- Step 1: Write the proportion equation
73,811,792.10 : 110,717,688.15 = 54,679,916.10 : x - Step 2: Convert to fraction form
73,811,792.10/110,717,688.15 = 54,679,916.10/x - Step 3: Cross multiply
73,811,792.10x = 110,717,688.15 × 54,679,916.10 - Step 4: Simplify right side
73,811,792.10x = 6,054,033,898,827,965 - Step 5: Solve for x
x = 6,054,033,898,827,965/73,811,792.10 - Step 6: Final answer
x = 82,019,874.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.