Finding the Fourth Proportional to 93,394,216.48, 128,895,907.28 and 54,228,195.76
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Solution
The fourth proportional to 93,394,216.48, 128,895,907.28 and 54,228,195.76 is: 74,841,813.08
Step by Step Solution
- Step 1: Write the proportion equation
93,394,216.48 : 128,895,907.28 = 54,228,195.76 : x - Step 2: Convert to fraction form
93,394,216.48/128,895,907.28 = 54,228,195.76/x - Step 3: Cross multiply
93,394,216.48x = 128,895,907.28 × 54,228,195.76 - Step 4: Simplify right side
93,394,216.48x = 6,989,792,492,642,649 - Step 5: Solve for x
x = 6,989,792,492,642,649/93,394,216.48 - Step 6: Final answer
x = 74,841,813.08
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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.