Finding the Fourth Proportional to 69,847,034.88, 96,391,093.56 and 40,083,128.09
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Solution
The fourth proportional to 69,847,034.88, 96,391,093.56 and 40,083,128.09 is: 55,315,970.91
Step by Step Solution
- Step 1: Write the proportion equation
69,847,034.88 : 96,391,093.56 = 40,083,128.09 : x - Step 2: Convert to fraction form
69,847,034.88/96,391,093.56 = 40,083,128.09/x - Step 3: Cross multiply
69,847,034.88x = 96,391,093.56 × 40,083,128.09 - Step 4: Simplify right side
69,847,034.88x = 3,863,656,549,418,699 - Step 5: Solve for x
x = 3,863,656,549,418,699/69,847,034.88 - Step 6: Final answer
x = 55,315,970.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.