Finding the Fourth Proportional to 63,307,918.40, 94,961,877.60 and 53,104,251.20
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Solution
The fourth proportional to 63,307,918.40, 94,961,877.60 and 53,104,251.20 is: 79,656,376.80
Step by Step Solution
- Step 1: Write the proportion equation
63,307,918.40 : 94,961,877.60 = 53,104,251.20 : x - Step 2: Convert to fraction form
63,307,918.40/94,961,877.60 = 53,104,251.20/x - Step 3: Cross multiply
63,307,918.40x = 94,961,877.60 × 53,104,251.20 - Step 4: Simplify right side
63,307,918.40x = 5,042,879,402,494,053 - Step 5: Solve for x
x = 5,042,879,402,494,053/63,307,918.40 - Step 6: Final answer
x = 79,656,376.80
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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.