Finding the Fourth Proportional to 230,074,129.97, 317,510,133.58 and 136,068,860.08
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Solution
The fourth proportional to 230,074,129.97, 317,510,133.58 and 136,068,860.08 is: 187,779,660.17
Step by Step Solution
- Step 1: Write the proportion equation
230,074,129.97 : 317,510,133.58 = 136,068,860.08 : x - Step 2: Convert to fraction form
230,074,129.97/317,510,133.58 = 136,068,860.08/x - Step 3: Cross multiply
230,074,129.97x = 317,510,133.58 × 136,068,860.08 - Step 4: Simplify right side
230,074,129.97x = 43,203,241,940,079,128 - Step 5: Solve for x
x = 43,203,241,940,079,128/230,074,129.97 - Step 6: Final answer
x = 187,779,660.17
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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.