Finding the Fourth Proportional to 79,717,658.40, 119,576,487.60 and 60,444,064.80
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Solution
The fourth proportional to 79,717,658.40, 119,576,487.60 and 60,444,064.80 is: 90,666,097.20
Step by Step Solution
- Step 1: Write the proportion equation
79,717,658.40 : 119,576,487.60 = 60,444,064.80 : x - Step 2: Convert to fraction form
79,717,658.40/119,576,487.60 = 60,444,064.80/x - Step 3: Cross multiply
79,717,658.40x = 119,576,487.60 × 60,444,064.80 - Step 4: Simplify right side
79,717,658.40x = 7,227,688,965,050,796 - Step 5: Solve for x
x = 7,227,688,965,050,796/79,717,658.40 - Step 6: Final answer
x = 90,666,097.20
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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.