Finding the Fourth Proportional to 265,781,570.70, 398,672,356.05 and 71,692,610.70
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Solution
The fourth proportional to 265,781,570.70, 398,672,356.05 and 71,692,610.70 is: 107,538,916.05
Step by Step Solution
- Step 1: Write the proportion equation
265,781,570.70 : 398,672,356.05 = 71,692,610.70 : x - Step 2: Convert to fraction form
265,781,570.70/398,672,356.05 = 71,692,610.70/x - Step 3: Cross multiply
265,781,570.70x = 398,672,356.05 × 71,692,610.70 - Step 4: Simplify right side
265,781,570.70x = 28,581,862,019,144,440 - Step 5: Solve for x
x = 28,581,862,019,144,440/265,781,570.70 - Step 6: Final answer
x = 107,538,916.05
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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.