Finding the Fourth Proportional to 172,565,502.75, 238,145,550.93 and 94,252,750.65
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Solution
The fourth proportional to 172,565,502.75, 238,145,550.93 and 94,252,750.65 is: 130,071,612.65
Step by Step Solution
- Step 1: Write the proportion equation
172,565,502.75 : 238,145,550.93 = 94,252,750.65 : x - Step 2: Convert to fraction form
172,565,502.75/238,145,550.93 = 94,252,750.65/x - Step 3: Cross multiply
172,565,502.75x = 238,145,550.93 × 94,252,750.65 - Step 4: Simplify right side
172,565,502.75x = 22,445,873,230,212,168 - Step 5: Solve for x
x = 22,445,873,230,212,168/172,565,502.75 - Step 6: Final answer
x = 130,071,612.65
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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.