Finding the Fourth Proportional to 79,284,803.20, 118,927,204.80 and 59,129,411.20
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Solution
The fourth proportional to 79,284,803.20, 118,927,204.80 and 59,129,411.20 is: 88,694,116.80
Step by Step Solution
- Step 1: Write the proportion equation
79,284,803.20 : 118,927,204.80 = 59,129,411.20 : x - Step 2: Convert to fraction form
79,284,803.20/118,927,204.80 = 59,129,411.20/x - Step 3: Cross multiply
79,284,803.20x = 118,927,204.80 × 59,129,411.20 - Step 4: Simplify right side
79,284,803.20x = 7,032,095,595,485,814 - Step 5: Solve for x
x = 7,032,095,595,485,814/79,284,803.20 - Step 6: Final answer
x = 88,694,116.80
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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.