Finding the Fourth Proportional to 106,305,422.76, 146,698,271.10 and 58,620,651.60
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Solution
The fourth proportional to 106,305,422.76, 146,698,271.10 and 58,620,651.60 is: 80,894,727.82
Step by Step Solution
- Step 1: Write the proportion equation
106,305,422.76 : 146,698,271.10 = 58,620,651.60 : x - Step 2: Convert to fraction form
106,305,422.76/146,698,271.10 = 58,620,651.60/x - Step 3: Cross multiply
106,305,422.76x = 146,698,271.10 × 58,620,651.60 - Step 4: Simplify right side
106,305,422.76x = 8,599,548,240,475,449 - Step 5: Solve for x
x = 8,599,548,240,475,449/106,305,422.76 - Step 6: Final answer
x = 80,894,727.82
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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.