Finding the Fourth Proportional to 71,268,865.74, 106,943,735.43 and 38,478,994.74
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Solution
The fourth proportional to 71,268,865.74, 106,943,735.43 and 38,478,994.74 is: 57,740,324.48
Step by Step Solution
- Step 1: Write the proportion equation
71,268,865.74 : 106,943,735.43 = 38,478,994.74 : x - Step 2: Convert to fraction form
71,268,865.74/106,943,735.43 = 38,478,994.74/x - Step 3: Cross multiply
71,268,865.74x = 106,943,735.43 × 38,478,994.74 - Step 4: Simplify right side
71,268,865.74x = 4,115,087,433,086,922 - Step 5: Solve for x
x = 4,115,087,433,086,922/71,268,865.74 - Step 6: Final answer
x = 57,740,324.48
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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.