Finding the Fourth Proportional to 75,817,270.80, 113,725,906.20 and 27,302,612.40
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Solution
The fourth proportional to 75,817,270.80, 113,725,906.20 and 27,302,612.40 is: 40,953,918.60
Step by Step Solution
- Step 1: Write the proportion equation
75,817,270.80 : 113,725,906.20 = 27,302,612.40 : x - Step 2: Convert to fraction form
75,817,270.80/113,725,906.20 = 27,302,612.40/x - Step 3: Cross multiply
75,817,270.80x = 113,725,906.20 × 27,302,612.40 - Step 4: Simplify right side
75,817,270.80x = 3,105,014,336,817,357 - Step 5: Solve for x
x = 3,105,014,336,817,357/75,817,270.80 - Step 6: Final answer
x = 40,953,918.60
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1.5x scale
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.