Finding the Fourth Proportional to 159,710,566.35, 220,401,245.84 and 86,371,708.35
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Solution
The fourth proportional to 159,710,566.35, 220,401,245.84 and 86,371,708.35 is: 119,193,316.76
Step by Step Solution
- Step 1: Write the proportion equation
159,710,566.35 : 220,401,245.84 = 86,371,708.35 : x - Step 2: Convert to fraction form
159,710,566.35/220,401,245.84 = 86,371,708.35/x - Step 3: Cross multiply
159,710,566.35x = 220,401,245.84 × 86,371,708.35 - Step 4: Simplify right side
159,710,566.35x = 19,036,432,125,237,272 - Step 5: Solve for x
x = 19,036,432,125,237,272/159,710,566.35 - Step 6: Final answer
x = 119,193,316.76
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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.