Finding the Fourth Proportional to 79,717,501.40, 119,576,252.10 and 60,443,907.80
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Solution
The fourth proportional to 79,717,501.40, 119,576,252.10 and 60,443,907.80 is: 90,665,861.70
Step by Step Solution
- Step 1: Write the proportion equation
79,717,501.40 : 119,576,252.10 = 60,443,907.80 : x - Step 2: Convert to fraction form
79,717,501.40/119,576,252.10 = 60,443,907.80/x - Step 3: Cross multiply
79,717,501.40x = 119,576,252.10 × 60,443,907.80 - Step 4: Simplify right side
79,717,501.40x = 7,227,655,957,001,956 - Step 5: Solve for x
x = 7,227,655,957,001,956/79,717,501.40 - Step 6: Final answer
x = 90,665,861.70
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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.