Finding the Fourth Proportional to 86,603,968.31, 119,512,486.72 and 46,910,750.74
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Solution
The fourth proportional to 86,603,968.31, 119,512,486.72 and 46,910,750.74 is: 64,736,300.01
Step by Step Solution
- Step 1: Write the proportion equation
86,603,968.31 : 119,512,486.72 = 46,910,750.74 : x - Step 2: Convert to fraction form
86,603,968.31/119,512,486.72 = 46,910,750.74/x - Step 3: Cross multiply
86,603,968.31x = 119,512,486.72 × 46,910,750.74 - Step 4: Simplify right side
86,603,968.31x = 5,606,420,474,839,480 - Step 5: Solve for x
x = 5,606,420,474,839,480/86,603,968.31 - Step 6: Final answer
x = 64,736,300.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.