Finding the Fourth Proportional to 51,065,202.76, 70,469,879.70 and 27,860,345.08
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Solution
The fourth proportional to 51,065,202.76, 70,469,879.70 and 27,860,345.08 is: 38,447,221.59
Step by Step Solution
- Step 1: Write the proportion equation
51,065,202.76 : 70,469,879.70 = 27,860,345.08 : x - Step 2: Convert to fraction form
51,065,202.76/70,469,879.70 = 27,860,345.08/x - Step 3: Cross multiply
51,065,202.76x = 70,469,879.70 × 27,860,345.08 - Step 4: Simplify right side
51,065,202.76x = 1,963,315,166,188,086.75 - Step 5: Solve for x
x = 1,963,315,166,188,086.75/51,065,202.76 - Step 6: Final answer
x = 38,447,221.59
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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.