Finding the Fourth Proportional to 107,314,811.40, 160,972,217.10 and 99,024,331.80
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Solution
The fourth proportional to 107,314,811.40, 160,972,217.10 and 99,024,331.80 is: 148,536,497.70
Step by Step Solution
- Step 1: Write the proportion equation
107,314,811.40 : 160,972,217.10 = 99,024,331.80 : x - Step 2: Convert to fraction form
107,314,811.40/160,972,217.10 = 99,024,331.80/x - Step 3: Cross multiply
107,314,811.40x = 160,972,217.10 × 99,024,331.80 - Step 4: Simplify right side
107,314,811.40x = 15,940,166,236,692,032 - Step 5: Solve for x
x = 15,940,166,236,692,032/107,314,811.40 - Step 6: Final answer
x = 148,536,497.70
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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.