Finding the Fourth Proportional to 106,784,135.60, 160,176,203.40 and 58,243,233.20
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Solution
The fourth proportional to 106,784,135.60, 160,176,203.40 and 58,243,233.20 is: 87,364,849.80
Step by Step Solution
- Step 1: Write the proportion equation
106,784,135.60 : 160,176,203.40 = 58,243,233.20 : x - Step 2: Convert to fraction form
106,784,135.60/160,176,203.40 = 58,243,233.20/x - Step 3: Cross multiply
106,784,135.60x = 160,176,203.40 × 58,243,233.20 - Step 4: Simplify right side
106,784,135.60x = 9,329,179,967,716,834 - Step 5: Solve for x
x = 9,329,179,967,716,834/106,784,135.60 - Step 6: Final answer
x = 87,364,849.80
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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.