Finding the Fourth Proportional to 77,018,321,432.56, 106,269,367,674.80 and 44,464,970,971.40
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Solution
The fourth proportional to 77,018,321,432.56, 106,269,367,674.80 and 44,464,970,971.40 is: 61,352,471,216.17
Step by Step Solution
- Step 1: Write the proportion equation
77,018,321,432.56 : 106,269,367,674.80 = 44,464,970,971.40 : x - Step 2: Convert to fraction form
77,018,321,432.56/106,269,367,674.80 = 44,464,970,971.40/x - Step 3: Cross multiply
77,018,321,432.56x = 106,269,367,674.80 × 44,464,970,971.40 - Step 4: Simplify right side
77,018,321,432.56x = 4,725,264,348,809,015,590,912 - Step 5: Solve for x
x = 4,725,264,348,809,015,590,912/77,018,321,432.56 - Step 6: Final answer
x = 61,352,471,216.17
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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.