Finding the Fourth Proportional to 77,140,326,302.28, 115,725,390,672.21 and 29,329,618,323.82
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Solution
The fourth proportional to 77,140,326,302.28, 115,725,390,672.21 and 29,329,618,323.82 is: 44,000,093,096.45
Step by Step Solution
- Step 1: Write the proportion equation
77,140,326,302.28 : 115,725,390,672.21 = 29,329,618,323.82 : x - Step 2: Convert to fraction form
77,140,326,302.28/115,725,390,672.21 = 29,329,618,323.82/x - Step 3: Cross multiply
77,140,326,302.28x = 115,725,390,672.21 × 29,329,618,323.82 - Step 4: Simplify right side
77,140,326,302.28x = 3,394,181,538,790,878,740,480 - Step 5: Solve for x
x = 3,394,181,538,790,878,740,480/77,140,326,302.28 - Step 6: Final answer
x = 44,000,093,096.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.