Finding the Fourth Proportional to 83,148,879.76, 124,721,220.12 and 22,563,031.12
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Solution
The fourth proportional to 83,148,879.76, 124,721,220.12 and 22,563,031.12 is: 33,843,976.96
Step by Step Solution
- Step 1: Write the proportion equation
83,148,879.76 : 124,721,220.12 = 22,563,031.12 : x - Step 2: Convert to fraction form
83,148,879.76/124,721,220.12 = 22,563,031.12/x - Step 3: Cross multiply
83,148,879.76x = 124,721,220.12 × 22,563,031.12 - Step 4: Simplify right side
83,148,879.76x = 2,814,088,770,891,930.50 - Step 5: Solve for x
x = 2,814,088,770,891,930.50/83,148,879.76 - Step 6: Final answer
x = 33,843,976.96
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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.