Finding the Fourth Proportional to 124,569,168.24, 171,910,674.99 and 71,645,890.44
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Solution
The fourth proportional to 124,569,168.24, 171,910,674.99 and 71,645,890.44 is: 98,874,332.71
Step by Step Solution
- Step 1: Write the proportion equation
124,569,168.24 : 171,910,674.99 = 71,645,890.44 : x - Step 2: Convert to fraction form
124,569,168.24/171,910,674.99 = 71,645,890.44/x - Step 3: Cross multiply
124,569,168.24x = 171,910,674.99 × 71,645,890.44 - Step 4: Simplify right side
124,569,168.24x = 12,316,693,385,799,988 - Step 5: Solve for x
x = 12,316,693,385,799,988/124,569,168.24 - Step 6: Final answer
x = 98,874,332.71
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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.