Finding the Fourth Proportional to 65,186,232.78, 97,862,319.90 and 42,253,131.68
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Solution
The fourth proportional to 65,186,232.78, 97,862,319.90 and 42,253,131.68 is: 63,433,478.40
Step by Step Solution
- Step 1: Write the proportion equation
65,186,232.78 : 97,862,319.90 = 42,253,131.68 : x - Step 2: Convert to fraction form
65,186,232.78/97,862,319.90 = 42,253,131.68/x - Step 3: Cross multiply
65,186,232.78x = 97,862,319.90 × 42,253,131.68 - Step 4: Simplify right side
65,186,232.78x = 4,134,989,488,755,673 - Step 5: Solve for x
x = 4,134,989,488,755,673/65,186,232.78 - Step 6: Final answer
x = 63,433,478.40
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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.