Finding the Fourth Proportional to 64,743,419.60, 97,115,129.40 and 59,452,629.20
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Solution
The fourth proportional to 64,743,419.60, 97,115,129.40 and 59,452,629.20 is: 89,178,943.80
Step by Step Solution
- Step 1: Write the proportion equation
64,743,419.60 : 97,115,129.40 = 59,452,629.20 : x - Step 2: Convert to fraction form
64,743,419.60/97,115,129.40 = 59,452,629.20/x - Step 3: Cross multiply
64,743,419.60x = 97,115,129.40 × 59,452,629.20 - Step 4: Simplify right side
64,743,419.60x = 5,773,749,777,928,219 - Step 5: Solve for x
x = 5,773,749,777,928,219/64,743,419.60 - Step 6: Final answer
x = 89,178,943.80
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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.