Finding the Fourth Proportional to 58,283,990.84, 80,438,960.52 and 33,172,206.03
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Solution
The fourth proportional to 58,283,990.84, 80,438,960.52 and 33,172,206.03 is: 45,781,658.61
Step by Step Solution
- Step 1: Write the proportion equation
58,283,990.84 : 80,438,960.52 = 33,172,206.03 : x - Step 2: Convert to fraction form
58,283,990.84/80,438,960.52 = 33,172,206.03/x - Step 3: Cross multiply
58,283,990.84x = 80,438,960.52 × 33,172,206.03 - Step 4: Simplify right side
58,283,990.84x = 2,668,337,771,208,476 - Step 5: Solve for x
x = 2,668,337,771,208,476/58,283,990.84 - Step 6: Final answer
x = 45,781,658.61
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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.