Finding the Fourth Proportional to 89,880,752.34, 124,121,102.22 and 84,984,117.66
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Solution
The fourth proportional to 89,880,752.34, 124,121,102.22 and 84,984,117.66 is: 117,359,079.45
Step by Step Solution
- Step 1: Write the proportion equation
89,880,752.34 : 124,121,102.22 = 84,984,117.66 : x - Step 2: Convert to fraction form
89,880,752.34/124,121,102.22 = 84,984,117.66/x - Step 3: Cross multiply
89,880,752.34x = 124,121,102.22 × 84,984,117.66 - Step 4: Simplify right side
89,880,752.34x = 10,548,322,355,153,366 - Step 5: Solve for x
x = 10,548,322,355,153,366/89,880,752.34 - Step 6: Final answer
x = 117,359,079.45
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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.