Finding the Fourth Proportional to 303,563,681.99, 418,910,171.04 and 169,602,629.47
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Solution
The fourth proportional to 303,563,681.99, 418,910,171.04 and 169,602,629.47 is: 234,047,320.99
Step by Step Solution
- Step 1: Write the proportion equation
303,563,681.99 : 418,910,171.04 = 169,602,629.47 : x - Step 2: Convert to fraction form
303,563,681.99/418,910,171.04 = 169,602,629.47/x - Step 3: Cross multiply
303,563,681.99x = 418,910,171.04 × 169,602,629.47 - Step 4: Simplify right side
303,563,681.99x = 71,048,266,520,111,448 - Step 5: Solve for x
x = 71,048,266,520,111,448/303,563,681.99 - Step 6: Final answer
x = 234,047,320.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.