Finding the Fourth Proportional to 193,287,486.24, 266,736,774.51 and 106,367,358.24
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Solution
The fourth proportional to 193,287,486.24, 266,736,774.51 and 106,367,358.24 is: 146,786,978.31
Step by Step Solution
- Step 1: Write the proportion equation
193,287,486.24 : 266,736,774.51 = 106,367,358.24 : x - Step 2: Convert to fraction form
193,287,486.24/266,736,774.51 = 106,367,358.24/x - Step 3: Cross multiply
193,287,486.24x = 266,736,774.51 × 106,367,358.24 - Step 4: Simplify right side
193,287,486.24x = 28,372,086,050,087,268 - Step 5: Solve for x
x = 28,372,086,050,087,268/193,287,486.24 - Step 6: Final answer
x = 146,786,978.31
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1.5x scale
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.