Finding the Fourth Proportional to 73,879,617,129.49, 110,790,775,381.51 and 25,411,167,203.18
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Solution
The fourth proportional to 73,879,617,129.49, 110,790,775,381.51 and 25,411,167,203.18 is: 38,106,896,423.88
Step by Step Solution
- Step 1: Write the proportion equation
73,879,617,129.49 : 110,790,775,381.51 = 25,411,167,203.18 : x - Step 2: Convert to fraction form
73,879,617,129.49/110,790,775,381.51 = 25,411,167,203.18/x - Step 3: Cross multiply
73,879,617,129.49x = 110,790,775,381.51 × 25,411,167,203.18 - Step 4: Simplify right side
73,879,617,129.49x = 2,815,322,917,788,954,656,768 - Step 5: Solve for x
x = 2,815,322,917,788,954,656,768/73,879,617,129.49 - Step 6: Final answer
x = 38,106,896,423.88
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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.