Finding the Fourth Proportional to 309,937,599.35, 427,714,324.80 and 168,809,373.98
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Solution
The fourth proportional to 309,937,599.35, 427,714,324.80 and 168,809,373.98 is: 232,957,174.49
Step by Step Solution
- Step 1: Write the proportion equation
309,937,599.35 : 427,714,324.80 = 168,809,373.98 : x - Step 2: Convert to fraction form
309,937,599.35/427,714,324.80 = 168,809,373.98/x - Step 3: Cross multiply
309,937,599.35x = 427,714,324.80 × 168,809,373.98 - Step 4: Simplify right side
309,937,599.35x = 72,202,187,411,766,384 - Step 5: Solve for x
x = 72,202,187,411,766,384/309,937,599.35 - Step 6: Final answer
x = 232,957,174.49
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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.