Finding the Fourth Proportional to 212,679,303.48, 318,891,409.38 and 97,519,581.72
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Solution
The fourth proportional to 212,679,303.48, 318,891,409.38 and 97,519,581.72 is: 146,220,889.14
Step by Step Solution
- Step 1: Write the proportion equation
212,679,303.48 : 318,891,409.38 = 97,519,581.72 : x - Step 2: Convert to fraction form
212,679,303.48/318,891,409.38 = 97,519,581.72/x - Step 3: Cross multiply
212,679,303.48x = 318,891,409.38 × 97,519,581.72 - Step 4: Simplify right side
212,679,303.48x = 31,098,156,856,838,884 - Step 5: Solve for x
x = 31,098,156,856,838,884/212,679,303.48 - Step 6: Final answer
x = 146,220,889.14
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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.