Finding the Fourth Proportional to 230,272,026.08, 317,928,785.39 and 136,216,388.63
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Solution
The fourth proportional to 230,272,026.08, 317,928,785.39 and 136,216,388.63 is: 188,069,353.12
Step by Step Solution
- Step 1: Write the proportion equation
230,272,026.08 : 317,928,785.39 = 136,216,388.63 : x - Step 2: Convert to fraction form
230,272,026.08/317,928,785.39 = 136,216,388.63/x - Step 3: Cross multiply
230,272,026.08x = 317,928,785.39 × 136,216,388.63 - Step 4: Simplify right side
230,272,026.08x = 43,307,110,985,077,376 - Step 5: Solve for x
x = 43,307,110,985,077,376/230,272,026.08 - Step 6: Final answer
x = 188,069,353.12
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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.