Finding the Fourth Proportional to 159,710,557.80, 220,401,234.09 and 86,371,699.80
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Solution
The fourth proportional to 159,710,557.80, 220,401,234.09 and 86,371,699.80 is: 119,193,304.99
Step by Step Solution
- Step 1: Write the proportion equation
159,710,557.80 : 220,401,234.09 = 86,371,699.80 : x - Step 2: Convert to fraction form
159,710,557.80/220,401,234.09 = 86,371,699.80/x - Step 3: Cross multiply
159,710,557.80x = 220,401,234.09 × 86,371,699.80 - Step 4: Simplify right side
159,710,557.80x = 19,036,429,226,371,004 - Step 5: Solve for x
x = 19,036,429,226,371,004/159,710,557.80 - Step 6: Final answer
x = 119,193,304.99
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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.