Finding the Fourth Proportional to 119,355,884.70, 164,650,829.58 and 69,763,858.80
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Solution
The fourth proportional to 119,355,884.70, 164,650,829.58 and 69,763,858.80 is: 96,238,884.70
Step by Step Solution
- Step 1: Write the proportion equation
119,355,884.70 : 164,650,829.58 = 69,763,858.80 : x - Step 2: Convert to fraction form
119,355,884.70/164,650,829.58 = 69,763,858.80/x - Step 3: Cross multiply
119,355,884.70x = 164,650,829.58 × 69,763,858.80 - Step 4: Simplify right side
119,355,884.70x = 11,486,677,226,121,984 - Step 5: Solve for x
x = 11,486,677,226,121,984/119,355,884.70 - Step 6: Final answer
x = 96,238,884.70
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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.