Finding the Fourth Proportional to 90,742,521,167.27, 125,281,193,173.37 and 57,764,216,092.08
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Solution
The fourth proportional to 90,742,521,167.27, 125,281,193,173.37 and 57,764,216,092.08 is: 79,750,593,455.52
Step by Step Solution
- Step 1: Write the proportion equation
90,742,521,167.27 : 125,281,193,173.37 = 57,764,216,092.08 : x - Step 2: Convert to fraction form
90,742,521,167.27/125,281,193,173.37 = 57,764,216,092.08/x - Step 3: Cross multiply
90,742,521,167.27x = 125,281,193,173.37 × 57,764,216,092.08 - Step 4: Simplify right side
90,742,521,167.27x = 7,236,769,914,740,161,904,640 - Step 5: Solve for x
x = 7,236,769,914,740,161,904,640/90,742,521,167.27 - Step 6: Final answer
x = 79,750,593,455.52
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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.