Finding the Fourth Proportional to 124,367,431.08, 186,575,057.64 and 47,684,478.72
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Solution
The fourth proportional to 124,367,431.08, 186,575,057.64 and 47,684,478.72 is: 71,535,885.95
Step by Step Solution
- Step 1: Write the proportion equation
124,367,431.08 : 186,575,057.64 = 47,684,478.72 : x - Step 2: Convert to fraction form
124,367,431.08/186,575,057.64 = 47,684,478.72/x - Step 3: Cross multiply
124,367,431.08x = 186,575,057.64 × 47,684,478.72 - Step 4: Simplify right side
124,367,431.08x = 8,896,734,365,717,353 - Step 5: Solve for x
x = 8,896,734,365,717,353/124,367,431.08 - Step 6: Final answer
x = 71,535,885.95
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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.