Finding the Fourth Proportional to 144,440,276.99, 199,327,968.61 and 78,360,775.26
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Solution
The fourth proportional to 144,440,276.99, 199,327,968.61 and 78,360,775.26 is: 108,138,079.47
Step by Step Solution
- Step 1: Write the proportion equation
144,440,276.99 : 199,327,968.61 = 78,360,775.26 : x - Step 2: Convert to fraction form
144,440,276.99/199,327,968.61 = 78,360,775.26/x - Step 3: Cross multiply
144,440,276.99x = 199,327,968.61 × 78,360,775.26 - Step 4: Simplify right side
144,440,276.99x = 15,619,494,151,280,546 - Step 5: Solve for x
x = 15,619,494,151,280,546/144,440,276.99 - Step 6: Final answer
x = 108,138,079.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.