Finding the Fourth Proportional to 104,976,756.90, 157,465,135.35 and 83,057,768.10
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Solution
The fourth proportional to 104,976,756.90, 157,465,135.35 and 83,057,768.10 is: 124,586,652.15
Step by Step Solution
- Step 1: Write the proportion equation
104,976,756.90 : 157,465,135.35 = 83,057,768.10 : x - Step 2: Convert to fraction form
104,976,756.90/157,465,135.35 = 83,057,768.10/x - Step 3: Cross multiply
104,976,756.90x = 157,465,135.35 × 83,057,768.10 - Step 4: Simplify right side
104,976,756.90x = 13,078,702,695,735,410 - Step 5: Solve for x
x = 13,078,702,695,735,410/104,976,756.90 - Step 6: Final answer
x = 124,586,652.15
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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.