Finding the Fourth Proportional to 86,321,371.84, 119,122,102.93 and 47,162,307.76
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Solution
The fourth proportional to 86,321,371.84, 119,122,102.93 and 47,162,307.76 is: 65,083,225.15
Step by Step Solution
- Step 1: Write the proportion equation
86,321,371.84 : 119,122,102.93 = 47,162,307.76 : x - Step 2: Convert to fraction form
86,321,371.84/119,122,102.93 = 47,162,307.76/x - Step 3: Cross multiply
86,321,371.84x = 119,122,102.93 × 47,162,307.76 - Step 4: Simplify right side
86,321,371.84x = 5,618,073,278,689,542 - Step 5: Solve for x
x = 5,618,073,278,689,542/86,321,371.84 - Step 6: Final answer
x = 65,083,225.15
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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.