Finding the Fourth Proportional to 235,376,421.35, 353,115,707.87 and 71,609,921.81
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Solution
The fourth proportional to 235,376,421.35, 353,115,707.87 and 71,609,921.81 is: 107,430,421.82
Step by Step Solution
- Step 1: Write the proportion equation
235,376,421.35 : 353,115,707.87 = 71,609,921.81 : x - Step 2: Convert to fraction form
235,376,421.35/353,115,707.87 = 71,609,921.81/x - Step 3: Cross multiply
235,376,421.35x = 353,115,707.87 × 71,609,921.81 - Step 4: Simplify right side
235,376,421.35x = 25,286,588,231,774,244 - Step 5: Solve for x
x = 25,286,588,231,774,244/235,376,421.35 - Step 6: Final answer
x = 107,430,421.82
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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.