Finding the Fourth Proportional to 167,879,784,178.24, 251,563,432,246.95 and 99,676,540,399.85
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Solution
The fourth proportional to 167,879,784,178.24, 251,563,432,246.95 and 99,676,540,399.85 is: 149,362,668,889.70
Step by Step Solution
- Step 1: Write the proportion equation
167,879,784,178.24 : 251,563,432,246.95 = 99,676,540,399.85 : x - Step 2: Convert to fraction form
167,879,784,178.24/251,563,432,246.95 = 99,676,540,399.85/x - Step 3: Cross multiply
167,879,784,178.24x = 251,563,432,246.95 × 99,676,540,399.85 - Step 4: Simplify right side
167,879,784,178.24x = 25,074,972,617,488,044,392,448 - Step 5: Solve for x
x = 25,074,972,617,488,044,392,448/167,879,784,178.24 - Step 6: Final answer
x = 149,362,668,889.70
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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.