Finding the Fourth Proportional to 269,460,325.74, 371,860,092.39 and 158,031,535.06
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Solution
The fourth proportional to 269,460,325.74, 371,860,092.39 and 158,031,535.06 is: 218,086,358.59
Step by Step Solution
- Step 1: Write the proportion equation
269,460,325.74 : 371,860,092.39 = 158,031,535.06 : x - Step 2: Convert to fraction form
269,460,325.74/371,860,092.39 = 158,031,535.06/x - Step 3: Cross multiply
269,460,325.74x = 371,860,092.39 × 158,031,535.06 - Step 4: Simplify right side
269,460,325.74x = 58,765,621,226,020,864 - Step 5: Solve for x
x = 58,765,621,226,020,864/269,460,325.74 - Step 6: Final answer
x = 218,086,358.59
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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.