Finding the Fourth Proportional to 126,132,933,596.26, 174,064,533,675.18 and 71,942,225,967.23
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Solution
The fourth proportional to 126,132,933,596.26, 174,064,533,675.18 and 71,942,225,967.23 is: 99,280,890,862.52
Step by Step Solution
- Step 1: Write the proportion equation
126,132,933,596.26 : 174,064,533,675.18 = 71,942,225,967.23 : x - Step 2: Convert to fraction form
126,132,933,596.26/174,064,533,675.18 = 71,942,225,967.23/x - Step 3: Cross multiply
126,132,933,596.26x = 174,064,533,675.18 × 71,942,225,967.23 - Step 4: Simplify right side
126,132,933,596.26x = 12,522,590,014,539,445,567,488 - Step 5: Solve for x
x = 12,522,590,014,539,445,567,488/126,132,933,596.26 - Step 6: Final answer
x = 99,280,890,862.52
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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.