Finding the Fourth Proportional to 99,277,138.08, 148,915,750.86 and 31,125,144.24
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Solution
The fourth proportional to 99,277,138.08, 148,915,750.86 and 31,125,144.24 is: 46,687,730.07
Step by Step Solution
- Step 1: Write the proportion equation
99,277,138.08 : 148,915,750.86 = 31,125,144.24 : x - Step 2: Convert to fraction form
99,277,138.08/148,915,750.86 = 31,125,144.24/x - Step 3: Cross multiply
99,277,138.08x = 148,915,750.86 × 31,125,144.24 - Step 4: Simplify right side
99,277,138.08x = 4,635,024,225,125,404 - Step 5: Solve for x
x = 4,635,024,225,125,404/99,277,138.08 - Step 6: Final answer
x = 46,687,730.07
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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.