Finding the Fourth Proportional to 86,470,438.70, 119,328,320.67 and 47,839,547.18
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Solution
The fourth proportional to 86,470,438.70, 119,328,320.67 and 47,839,547.18 is: 66,018,085.63
Step by Step Solution
- Step 1: Write the proportion equation
86,470,438.70 : 119,328,320.67 = 47,839,547.18 : x - Step 2: Convert to fraction form
86,470,438.70/119,328,320.67 = 47,839,547.18/x - Step 3: Cross multiply
86,470,438.70x = 119,328,320.67 × 47,839,547.18 - Step 4: Simplify right side
86,470,438.70x = 5,708,612,826,602,634 - Step 5: Solve for x
x = 5,708,612,826,602,634/86,470,438.70 - Step 6: Final answer
x = 66,018,085.63
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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.