Finding the Fourth Proportional to 104,513,318.75, 144,228,940.68 and 57,473,425.53
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Solution
The fourth proportional to 104,513,318.75, 144,228,940.68 and 57,473,425.53 is: 79,313,635.63
Step by Step Solution
- Step 1: Write the proportion equation
104,513,318.75 : 144,228,940.68 = 57,473,425.53 : x - Step 2: Convert to fraction form
104,513,318.75/144,228,940.68 = 57,473,425.53/x - Step 3: Cross multiply
104,513,318.75x = 144,228,940.68 × 57,473,425.53 - Step 4: Simplify right side
104,513,318.75x = 8,289,331,281,442,768 - Step 5: Solve for x
x = 8,289,331,281,442,768/104,513,318.75 - Step 6: Final answer
x = 79,313,635.63
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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.