Finding the Fourth Proportional to 46,985,610.40, 70,478,415.60 and 16,696,535.20
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Solution
The fourth proportional to 46,985,610.40, 70,478,415.60 and 16,696,535.20 is: 25,044,802.80
Step by Step Solution
- Step 1: Write the proportion equation
46,985,610.40 : 70,478,415.60 = 16,696,535.20 : x - Step 2: Convert to fraction form
46,985,610.40/70,478,415.60 = 16,696,535.20/x - Step 3: Cross multiply
46,985,610.40x = 70,478,415.60 × 16,696,535.20 - Step 4: Simplify right side
46,985,610.40x = 1,176,745,346,905,629 - Step 5: Solve for x
x = 1,176,745,346,905,629/46,985,610.40 - Step 6: Final answer
x = 25,044,802.80
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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.