Finding the Fourth Proportional to 76,496,455.58, 114,744,683.36 and 64,658,607.30
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Solution
The fourth proportional to 76,496,455.58, 114,744,683.36 and 64,658,607.30 is: 96,987,910.95
Step by Step Solution
- Step 1: Write the proportion equation
76,496,455.58 : 114,744,683.36 = 64,658,607.30 : x - Step 2: Convert to fraction form
76,496,455.58/114,744,683.36 = 64,658,607.30/x - Step 3: Cross multiply
76,496,455.58x = 114,744,683.36 × 64,658,607.30 - Step 4: Simplify right side
76,496,455.58x = 7,419,231,421,298,731 - Step 5: Solve for x
x = 7,419,231,421,298,731/76,496,455.58 - Step 6: Final answer
x = 96,987,910.95
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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.