Finding the Fourth Proportional to 88,782,986.84, 133,171,478.58 and 31,273,755.14
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Solution
The fourth proportional to 88,782,986.84, 133,171,478.58 and 31,273,755.14 is: 46,909,575.37
Step by Step Solution
- Step 1: Write the proportion equation
88,782,986.84 : 133,171,478.58 = 31,273,755.14 : x - Step 2: Convert to fraction form
88,782,986.84/133,171,478.58 = 31,273,755.14/x - Step 3: Cross multiply
88,782,986.84x = 133,171,478.58 × 31,273,755.14 - Step 4: Simplify right side
88,782,986.84x = 4,164,772,212,742,675 - Step 5: Solve for x
x = 4,164,772,212,742,675/88,782,986.84 - Step 6: Final answer
x = 46,909,575.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.