Finding the Fourth Proportional to 261,485,513.98, 360,838,366.67 and 149,896,354.03
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Solution
The fourth proportional to 261,485,513.98, 360,838,366.67 and 149,896,354.03 is: 206,850,294.44
Step by Step Solution
- Step 1: Write the proportion equation
261,485,513.98 : 360,838,366.67 = 149,896,354.03 : x - Step 2: Convert to fraction form
261,485,513.98/360,838,366.67 = 149,896,354.03/x - Step 3: Cross multiply
261,485,513.98x = 360,838,366.67 × 149,896,354.03 - Step 4: Simplify right side
261,485,513.98x = 54,088,355,557,445,920 - Step 5: Solve for x
x = 54,088,355,557,445,920/261,485,513.98 - Step 6: Final answer
x = 206,850,294.44
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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.