Finding the Fourth Proportional to 68,346,601.70, 102,519,902.55 and 27,943,657.70
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Solution
The fourth proportional to 68,346,601.70, 102,519,902.55 and 27,943,657.70 is: 41,915,486.55
Step by Step Solution
- Step 1: Write the proportion equation
68,346,601.70 : 102,519,902.55 = 27,943,657.70 : x - Step 2: Convert to fraction form
68,346,601.70/102,519,902.55 = 27,943,657.70/x - Step 3: Cross multiply
68,346,601.70x = 102,519,902.55 × 27,943,657.70 - Step 4: Simplify right side
68,346,601.70x = 2,864,781,064,294,557 - Step 5: Solve for x
x = 2,864,781,064,294,557/68,346,601.70 - Step 6: Final answer
x = 41,915,486.55
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1.5x scale
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.