Finding the Fourth Proportional to 57,932,918.99, 86,920,570.52 and 54,510,438.95
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Solution
The fourth proportional to 57,932,918.99, 86,920,570.52 and 54,510,438.95 is: 81,785,598.51
Step by Step Solution
- Step 1: Write the proportion equation
57,932,918.99 : 86,920,570.52 = 54,510,438.95 : x - Step 2: Convert to fraction form
57,932,918.99/86,920,570.52 = 54,510,438.95/x - Step 3: Cross multiply
57,932,918.99x = 86,920,570.52 × 54,510,438.95 - Step 4: Simplify right side
57,932,918.99x = 4,738,078,452,829,630 - Step 5: Solve for x
x = 4,738,078,452,829,630/57,932,918.99 - Step 6: Final answer
x = 81,785,598.51
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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.