Finding the Fourth Proportional to 125,850,927.96, 173,683,009.35 and 76,293,390.51
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Solution
The fourth proportional to 125,850,927.96, 173,683,009.35 and 76,293,390.51 is: 105,290,170.46
Step by Step Solution
- Step 1: Write the proportion equation
125,850,927.96 : 173,683,009.35 = 76,293,390.51 : x - Step 2: Convert to fraction form
125,850,927.96/173,683,009.35 = 76,293,390.51/x - Step 3: Cross multiply
125,850,927.96x = 173,683,009.35 × 76,293,390.51 - Step 4: Simplify right side
125,850,927.96x = 13,250,865,657,291,532 - Step 5: Solve for x
x = 13,250,865,657,291,532/125,850,927.96 - Step 6: Final answer
x = 105,290,170.46
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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.