Finding the Fourth Proportional to 87,948,077.94, 121,368,490.56 and 48,789,855.63
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Solution
The fourth proportional to 87,948,077.94, 121,368,490.56 and 48,789,855.63 is: 67,330,080.10
Step by Step Solution
- Step 1: Write the proportion equation
87,948,077.94 : 121,368,490.56 = 48,789,855.63 : x - Step 2: Convert to fraction form
87,948,077.94/121,368,490.56 = 48,789,855.63/x - Step 3: Cross multiply
87,948,077.94x = 121,368,490.56 × 48,789,855.63 - Step 4: Simplify right side
87,948,077.94x = 5,921,551,132,453,418 - Step 5: Solve for x
x = 5,921,551,132,453,418/87,948,077.94 - Step 6: Final answer
x = 67,330,080.10
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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.