Finding the Fourth Proportional to 177,149,721.80, 265,724,582.70 and 49,498,905.80
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Solution
The fourth proportional to 177,149,721.80, 265,724,582.70 and 49,498,905.80 is: 74,248,358.70
Step by Step Solution
- Step 1: Write the proportion equation
177,149,721.80 : 265,724,582.70 = 49,498,905.80 : x - Step 2: Convert to fraction form
177,149,721.80/265,724,582.70 = 49,498,905.80/x - Step 3: Cross multiply
177,149,721.80x = 265,724,582.70 × 49,498,905.80 - Step 4: Simplify right side
177,149,721.80x = 13,153,076,087,811,608 - Step 5: Solve for x
x = 13,153,076,087,811,608/177,149,721.80 - Step 6: Final answer
x = 74,248,358.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.