Finding the Fourth Proportional to 65,186,236.78, 97,862,325.90 and 42,253,135.68
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Solution
The fourth proportional to 65,186,236.78, 97,862,325.90 and 42,253,135.68 is: 63,433,484.41
Step by Step Solution
- Step 1: Write the proportion equation
65,186,236.78 : 97,862,325.90 = 42,253,135.68 : x - Step 2: Convert to fraction form
65,186,236.78/97,862,325.90 = 42,253,135.68/x - Step 3: Cross multiply
65,186,236.78x = 97,862,325.90 × 42,253,135.68 - Step 4: Simplify right side
65,186,236.78x = 4,134,990,134,213,078.50 - Step 5: Solve for x
x = 4,134,990,134,213,078.50/65,186,236.78 - Step 6: Final answer
x = 63,433,484.41
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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.