Finding the Fourth Proportional to 127,365,645.81, 175,762,277.04 and 70,850,115.81
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Solution
The fourth proportional to 127,365,645.81, 175,762,277.04 and 70,850,115.81 is: 97,771,872.50
Step by Step Solution
- Step 1: Write the proportion equation
127,365,645.81 : 175,762,277.04 = 70,850,115.81 : x - Step 2: Convert to fraction form
127,365,645.81/175,762,277.04 = 70,850,115.81/x - Step 3: Cross multiply
127,365,645.81x = 175,762,277.04 × 70,850,115.81 - Step 4: Simplify right side
127,365,645.81x = 12,452,777,683,313,304 - Step 5: Solve for x
x = 12,452,777,683,313,304/127,365,645.81 - Step 6: Final answer
x = 97,771,872.50
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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.