Finding the Fourth Proportional to 98,370,067.47, 147,606,166.84 and 40,120,479.75
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Solution
The fourth proportional to 98,370,067.47, 147,606,166.84 and 40,120,479.75 is: 60,201,546.87
Step by Step Solution
- Step 1: Write the proportion equation
98,370,067.47 : 147,606,166.84 = 40,120,479.75 : x - Step 2: Convert to fraction form
98,370,067.47/147,606,166.84 = 40,120,479.75/x - Step 3: Cross multiply
98,370,067.47x = 147,606,166.84 × 40,120,479.75 - Step 4: Simplify right side
98,370,067.47x = 5,922,030,227,679,342 - Step 5: Solve for x
x = 5,922,030,227,679,342/98,370,067.47 - Step 6: Final answer
x = 60,201,546.87
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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.