Finding the Fourth Proportional to 106,292,410.42, 159,438,617.68 and 25,513,378.42
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Solution
The fourth proportional to 106,292,410.42, 159,438,617.68 and 25,513,378.42 is: 38,270,068.13
Step by Step Solution
- Step 1: Write the proportion equation
106,292,410.42 : 159,438,617.68 = 25,513,378.42 : x - Step 2: Convert to fraction form
106,292,410.42/159,438,617.68 = 25,513,378.42/x - Step 3: Cross multiply
106,292,410.42x = 159,438,617.68 × 25,513,378.42 - Step 4: Simplify right side
106,292,410.42x = 4,067,817,788,093,922.50 - Step 5: Solve for x
x = 4,067,817,788,093,922.50/106,292,410.42 - Step 6: Final answer
x = 38,270,068.13
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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.