Finding the Fourth Proportional to 51,724,525.47, 77,498,989.27 and 31,211,143.44
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Solution
The fourth proportional to 51,724,525.47, 77,498,989.27 and 31,211,143.44 is: 46,763,736.32
Step by Step Solution
- Step 1: Write the proportion equation
51,724,525.47 : 77,498,989.27 = 31,211,143.44 : x - Step 2: Convert to fraction form
51,724,525.47/77,498,989.27 = 31,211,143.44/x - Step 3: Cross multiply
51,724,525.47x = 77,498,989.27 × 31,211,143.44 - Step 4: Simplify right side
51,724,525.47x = 2,418,832,070,482,963 - Step 5: Solve for x
x = 2,418,832,070,482,963/51,724,525.47 - Step 6: Final answer
x = 46,763,736.32
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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.