Finding the Fourth Proportional to 57,328,803.99, 86,030,201.93 and 20,934,147.15
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Solution
The fourth proportional to 57,328,803.99, 86,030,201.93 and 20,934,147.15 is: 31,414,730.14
Step by Step Solution
- Step 1: Write the proportion equation
57,328,803.99 : 86,030,201.93 = 20,934,147.15 : x - Step 2: Convert to fraction form
57,328,803.99/86,030,201.93 = 20,934,147.15/x - Step 3: Cross multiply
57,328,803.99x = 86,030,201.93 × 20,934,147.15 - Step 4: Simplify right side
57,328,803.99x = 1,800,968,906,546,834 - Step 5: Solve for x
x = 1,800,968,906,546,834/57,328,803.99 - Step 6: Final answer
x = 31,414,730.14
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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.