Finding the Fourth Proportional to 73,430,897.70, 110,146,346.55 and 25,561,841.70
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Solution
The fourth proportional to 73,430,897.70, 110,146,346.55 and 25,561,841.70 is: 38,342,762.55
Step by Step Solution
- Step 1: Write the proportion equation
73,430,897.70 : 110,146,346.55 = 25,561,841.70 : x - Step 2: Convert to fraction form
73,430,897.70/110,146,346.55 = 25,561,841.70/x - Step 3: Cross multiply
73,430,897.70x = 110,146,346.55 × 25,561,841.70 - Step 4: Simplify right side
73,430,897.70x = 2,815,543,474,344,441 - Step 5: Solve for x
x = 2,815,543,474,344,441/73,430,897.70 - Step 6: Final answer
x = 38,342,762.55
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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.