Finding the Fourth Proportional to 124,030,293.87, 171,160,134.80 and 69,026,135.79
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Solution
The fourth proportional to 124,030,293.87, 171,160,134.80 and 69,026,135.79 is: 95,255,137.58
Step by Step Solution
- Step 1: Write the proportion equation
124,030,293.87 : 171,160,134.80 = 69,026,135.79 : x - Step 2: Convert to fraction form
124,030,293.87/171,160,134.80 = 69,026,135.79/x - Step 3: Cross multiply
124,030,293.87x = 171,160,134.80 × 69,026,135.79 - Step 4: Simplify right side
124,030,293.87x = 11,814,522,706,194,374 - Step 5: Solve for x
x = 11,814,522,706,194,374/124,030,293.87 - Step 6: Final answer
x = 95,255,137.58
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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.