Finding the Fourth Proportional to 93,868,677.36, 129,544,761.24 and 52,615,580.40
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Solution
The fourth proportional to 93,868,677.36, 129,544,761.24 and 52,615,580.40 is: 72,612,856.52
Step by Step Solution
- Step 1: Write the proportion equation
93,868,677.36 : 129,544,761.24 = 52,615,580.40 : x - Step 2: Convert to fraction form
93,868,677.36/129,544,761.24 = 52,615,580.40/x - Step 3: Cross multiply
93,868,677.36x = 129,544,761.24 × 52,615,580.40 - Step 4: Simplify right side
93,868,677.36x = 6,816,072,800,422,023 - Step 5: Solve for x
x = 6,816,072,800,422,023/93,868,677.36 - Step 6: Final answer
x = 72,612,856.52
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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.