Finding the Fourth Proportional to 89,880,756.84, 124,121,108.43 and 84,984,122.16
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Solution
The fourth proportional to 89,880,756.84, 124,121,108.43 and 84,984,122.16 is: 117,359,085.66
Step by Step Solution
- Step 1: Write the proportion equation
89,880,756.84 : 124,121,108.43 = 84,984,122.16 : x - Step 2: Convert to fraction form
89,880,756.84/124,121,108.43 = 84,984,122.16/x - Step 3: Cross multiply
89,880,756.84x = 124,121,108.43 × 84,984,122.16 - Step 4: Simplify right side
89,880,756.84x = 10,548,323,441,449,726 - Step 5: Solve for x
x = 10,548,323,441,449,726/89,880,756.84 - Step 6: Final answer
x = 117,359,085.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.