Finding the Fourth Proportional to 135,424,420.92, 203,109,472.08 and 66,307,444.92
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Solution
The fourth proportional to 135,424,420.92, 203,109,472.08 and 66,307,444.92 is: 99,447,869.46
Step by Step Solution
- Step 1: Write the proportion equation
135,424,420.92 : 203,109,472.08 = 66,307,444.92 : x - Step 2: Convert to fraction form
135,424,420.92/203,109,472.08 = 66,307,444.92/x - Step 3: Cross multiply
135,424,420.92x = 203,109,472.08 × 66,307,444.92 - Step 4: Simplify right side
135,424,420.92x = 13,467,670,132,674,880 - Step 5: Solve for x
x = 13,467,670,132,674,880/135,424,420.92 - Step 6: Final answer
x = 99,447,869.46
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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.