Finding the Fourth Proportional to 230,380,326.88, 317,918,746.74 and 136,299,326.65
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Solution
The fourth proportional to 230,380,326.88, 317,918,746.74 and 136,299,326.65 is: 188,089,459.27
Step by Step Solution
- Step 1: Write the proportion equation
230,380,326.88 : 317,918,746.74 = 136,299,326.65 : x - Step 2: Convert to fraction form
230,380,326.88/317,918,746.74 = 136,299,326.65/x - Step 3: Cross multiply
230,380,326.88x = 317,918,746.74 × 136,299,326.65 - Step 4: Simplify right side
230,380,326.88x = 43,332,111,110,073,888 - Step 5: Solve for x
x = 43,332,111,110,073,888/230,380,326.88 - Step 6: Final answer
x = 188,089,459.27
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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.