Finding the Fourth Proportional to 307,553,428.48, 424,424,855.68 and 166,424,649.60
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Solution
The fourth proportional to 307,553,428.48, 424,424,855.68 and 166,424,649.60 is: 229,666,624.88
Step by Step Solution
- Step 1: Write the proportion equation
307,553,428.48 : 424,424,855.68 = 166,424,649.60 : x - Step 2: Convert to fraction form
307,553,428.48/424,424,855.68 = 166,424,649.60/x - Step 3: Cross multiply
307,553,428.48x = 424,424,855.68 × 166,424,649.60 - Step 4: Simplify right side
307,553,428.48x = 70,634,757,888,074,568 - Step 5: Solve for x
x = 70,634,757,888,074,568/307,553,428.48 - Step 6: Final answer
x = 229,666,624.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.