Finding the Fourth Proportional to 127,038,447.54, 190,566,779.36 and 53,187,911.55
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Solution
The fourth proportional to 127,038,447.54, 190,566,779.36 and 53,187,911.55 is: 79,785,680.64
Step by Step Solution
- Step 1: Write the proportion equation
127,038,447.54 : 190,566,779.36 = 53,187,911.55 : x - Step 2: Convert to fraction form
127,038,447.54/190,566,779.36 = 53,187,911.55/x - Step 3: Cross multiply
127,038,447.54x = 190,566,779.36 × 53,187,911.55 - Step 4: Simplify right side
127,038,447.54x = 10,135,849,004,702,104 - Step 5: Solve for x
x = 10,135,849,004,702,104/127,038,447.54 - Step 6: Final answer
x = 79,785,680.64
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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.