Finding the Fourth Proportional to 160,339,637.70, 240,509,456.55 and 79,718,069.70
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Solution
The fourth proportional to 160,339,637.70, 240,509,456.55 and 79,718,069.70 is: 119,577,104.55
Step by Step Solution
- Step 1: Write the proportion equation
160,339,637.70 : 240,509,456.55 = 79,718,069.70 : x - Step 2: Convert to fraction form
160,339,637.70/240,509,456.55 = 79,718,069.70/x - Step 3: Cross multiply
160,339,637.70x = 240,509,456.55 × 79,718,069.70 - Step 4: Simplify right side
160,339,637.70x = 19,172,949,620,762,024 - Step 5: Solve for x
x = 19,172,949,620,762,024/160,339,637.70 - Step 6: Final answer
x = 119,577,104.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.