Finding the Fourth Proportional to 162,551,881.44, 224,321,741.40 and 88,212,441.84
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Solution
The fourth proportional to 162,551,881.44, 224,321,741.40 and 88,212,441.84 is: 121,733,248.43
Step by Step Solution
- Step 1: Write the proportion equation
162,551,881.44 : 224,321,741.40 = 88,212,441.84 : x - Step 2: Convert to fraction form
162,551,881.44/224,321,741.40 = 88,212,441.84/x - Step 3: Cross multiply
162,551,881.44x = 224,321,741.40 × 88,212,441.84 - Step 4: Simplify right side
162,551,881.44x = 19,787,968,566,695,020 - Step 5: Solve for x
x = 19,787,968,566,695,020/162,551,881.44 - Step 6: Final answer
x = 121,733,248.43
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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.