Finding the Fourth Proportional to 65,186,231.28, 97,862,317.65 and 42,253,130.18
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Solution
The fourth proportional to 65,186,231.28, 97,862,317.65 and 42,253,130.18 is: 63,433,476.15
Step by Step Solution
- Step 1: Write the proportion equation
65,186,231.28 : 97,862,317.65 = 42,253,130.18 : x - Step 2: Convert to fraction form
65,186,231.28/97,862,317.65 = 42,253,130.18/x - Step 3: Cross multiply
65,186,231.28x = 97,862,317.65 × 42,253,130.18 - Step 4: Simplify right side
65,186,231.28x = 4,134,989,246,892,650 - Step 5: Solve for x
x = 4,134,989,246,892,650/65,186,231.28 - Step 6: Final answer
x = 63,433,476.15
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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.