Finding the Fourth Proportional to 68,366,270.40, 102,549,405.60 and 65,977,483.20
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Solution
The fourth proportional to 68,366,270.40, 102,549,405.60 and 65,977,483.20 is: 98,966,224.80
Step by Step Solution
- Step 1: Write the proportion equation
68,366,270.40 : 102,549,405.60 = 65,977,483.20 : x - Step 2: Convert to fraction form
68,366,270.40/102,549,405.60 = 65,977,483.20/x - Step 3: Cross multiply
68,366,270.40x = 102,549,405.60 × 65,977,483.20 - Step 4: Simplify right side
68,366,270.40x = 6,765,951,685,143,986 - Step 5: Solve for x
x = 6,765,951,685,143,986/68,366,270.40 - Step 6: Final answer
x = 98,966,224.80
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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.