Finding the Fourth Proportional to 94,413,287.97, 130,255,775.87 and 57,216,734.73
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Solution
The fourth proportional to 94,413,287.97, 130,255,775.87 and 57,216,734.73 is: 78,938,148.80
Step by Step Solution
- Step 1: Write the proportion equation
94,413,287.97 : 130,255,775.87 = 57,216,734.73 : x - Step 2: Convert to fraction form
94,413,287.97/130,255,775.87 = 57,216,734.73/x - Step 3: Cross multiply
94,413,287.97x = 130,255,775.87 × 57,216,734.73 - Step 4: Simplify right side
94,413,287.97x = 7,452,810,174,718,041 - Step 5: Solve for x
x = 7,452,810,174,718,041/94,413,287.97 - Step 6: Final answer
x = 78,938,148.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.