Finding the Fourth Proportional to 104,872,214.48, 144,732,272.46 and 57,838,487.18
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Solution
The fourth proportional to 104,872,214.48, 144,732,272.46 and 57,838,487.18 is: 79,821,864.42
Step by Step Solution
- Step 1: Write the proportion equation
104,872,214.48 : 144,732,272.46 = 57,838,487.18 : x - Step 2: Convert to fraction form
104,872,214.48/144,732,272.46 = 57,838,487.18/x - Step 3: Cross multiply
104,872,214.48x = 144,732,272.46 × 57,838,487.18 - Step 4: Simplify right side
104,872,214.48x = 8,371,095,685,209,978 - Step 5: Solve for x
x = 8,371,095,685,209,978/104,872,214.48 - Step 6: Final answer
x = 79,821,864.42
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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.