Finding the Fourth Proportional to 83,894,128.84, 125,841,201.90 and 25,602,112.72
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Solution
The fourth proportional to 83,894,128.84, 125,841,201.90 and 25,602,112.72 is: 38,403,171.72
Step by Step Solution
- Step 1: Write the proportion equation
83,894,128.84 : 125,841,201.90 = 25,602,112.72 : x - Step 2: Convert to fraction form
83,894,128.84/125,841,201.90 = 25,602,112.72/x - Step 3: Cross multiply
83,894,128.84x = 125,841,201.90 × 25,602,112.72 - Step 4: Simplify right side
83,894,128.84x = 3,221,800,635,864,078 - Step 5: Solve for x
x = 3,221,800,635,864,078/83,894,128.84 - Step 6: Final answer
x = 38,403,171.72
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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.