Finding the Fourth Proportional to 188,308,193.21, 282,457,068.35 and 50,134,985.74
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Solution
The fourth proportional to 188,308,193.21, 282,457,068.35 and 50,134,985.74 is: 75,201,088.45
Step by Step Solution
- Step 1: Write the proportion equation
188,308,193.21 : 282,457,068.35 = 50,134,985.74 : x - Step 2: Convert to fraction form
188,308,193.21/282,457,068.35 = 50,134,985.74/x - Step 3: Cross multiply
188,308,193.21x = 282,457,068.35 × 50,134,985.74 - Step 4: Simplify right side
188,308,193.21x = 14,160,981,094,273,610 - Step 5: Solve for x
x = 14,160,981,094,273,610/188,308,193.21 - Step 6: Final answer
x = 75,201,088.45
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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.