Finding the Fourth Proportional to 43,718,058.78, 65,293,646.15 and 39,611,174.49
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Solution
The fourth proportional to 43,718,058.78, 65,293,646.15 and 39,611,174.49 is: 59,159,946.32
Step by Step Solution
- Step 1: Write the proportion equation
43,718,058.78 : 65,293,646.15 = 39,611,174.49 : x - Step 2: Convert to fraction form
43,718,058.78/65,293,646.15 = 39,611,174.49/x - Step 3: Cross multiply
43,718,058.78x = 65,293,646.15 × 39,611,174.49 - Step 4: Simplify right side
43,718,058.78x = 2,586,358,010,537,911 - Step 5: Solve for x
x = 2,586,358,010,537,911/43,718,058.78 - Step 6: Final answer
x = 59,159,946.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.